| 2.32.0.0 | 2.47.255.255 | 1048576 | 29/04/10 | Vodafone Italia S.p.A. |
| 2.112.0.0 | 2.119.255.255 | 524288 | 13/04/10 | Telecom Italia S.p.A. |
| 2.156.0.0 | 2.159.255.255 | 262144 | 08/11/10 | WIND TRE S.P.A. |
| 2.192.0.0 | 2.199.255.255 | 524288 | 10/11/10 | Telecom Italia S.p.A. |
| 2.224.0.0 | 2.239.255.255 | 1048576 | 30/12/10 | Fastweb SpA |
| 5.2.0.0 | 5.2.15.255 | 4096 | 27/04/12 | OpNet spa |
| 5.8.96.0 | 5.8.127.255 | 8192 | 25/04/12 | TWT S.p.A. |
| 5.11.96.0 | 5.11.127.255 | 8192 | 02/05/12 | Poste Italiane S.p.A. |
| 5.77.64.0 | 5.77.127.255 | 16384 | 13/06/12 | Poste Italiane S.p.A. |
| 5.84.0.0 | 5.87.255.255 | 262144 | 14/06/12 | WIND TRE S.P.A. |
| 5.88.0.0 | 5.95.255.255 | 524288 | 19/06/12 | Vodafone Italia S.p.A. |
| 5.96.0.0 | 5.99.255.255 | 262144 | 20/06/12 | Telecom Italia S.p.A. |
| 5.102.0.0 | 5.102.31.255 | 8192 | 26/06/12 | OpNet spa |
| 5.133.48.0 | 5.133.63.255 | 4096 | 05/07/12 | GO Internet S.p.A |
| 5.144.160.0 | 5.144.175.255 | 4096 | 12/07/12 | SEEWEB s.r.l. |
| 5.150.128.0 | 5.150.143.255 | 4096 | 17/07/12 | IRIDEOS S.P.A. |
| 5.154.192.0 | 5.154.223.255 | 8192 | 19/07/12 | Connesi s.p.a. |
| 5.157.96.0 | 5.157.127.255 | 8192 | 25/07/12 | EOLO S.p.A. |
| 5.158.64.0 | 5.158.79.255 | 4096 | 25/07/12 | Orakom S.r.l. |
| 5.168.0.0 | 5.171.255.255 | 262144 | 26/07/12 | Telecom Italia S.p.A. |
| 5.172.64.0 | 5.172.95.255 | 8192 | 30/07/12 | INTRED S.P.A. |
| 5.172.112.0 | 5.172.127.255 | 4096 | 30/07/12 | TIMENET SPA |
| 5.175.64.0 | 5.175.79.255 | 4096 | 02/08/12 | SKYLOGIC S.P.A. |
| 5.179.128.0 | 5.179.191.255 | 16384 | 07/08/12 | Poste Italiane S.p.A. |
| 5.198.224.0 | 5.198.239.255 | 4096 | 28/08/12 | ISI Line srl |
| 5.249.128.0 | 5.249.159.255 | 8192 | 13/09/12 | Aruba S.p.A. |
| 31.3.160.0 | 31.3.191.255 | 8192 | 08/04/11 | CESENA NET S.R.L. |
| 31.6.80.0 | 31.6.95.255 | 4096 | 11/04/11 | Axera SpA |
| 31.7.144.0 | 31.7.159.255 | 4096 | 13/04/11 | POSITIVO SRL |
| 31.14.128.0 | 31.14.143.255 | 4096 | 18/04/11 | Aruba S.p.A. |
| 31.26.0.0 | 31.27.255.255 | 131072 | 09/03/11 | Vodafone Italia S.p.A. |
| 31.44.16.0 | 31.44.31.255 | 4096 | 23/02/11 | Level7 s.r.l. |
| 31.44.112.0 | 31.44.127.255 | 4096 | 28/02/11 | Ambrogio s.r.l. |
| 31.44.160.0 | 31.44.175.255 | 4096 | 03/03/11 | MYNET S.R.L. |
| 31.156.0.0 | 31.159.255.255 | 262144 | 09/03/11 | Vodafone Italia S.p.A. |
| 31.188.0.0 | 31.191.255.255 | 262144 | 24/03/11 | WIND TRE S.P.A. |
| 31.193.16.0 | 31.193.31.255 | 4096 | 21/04/11 | TIMENET SPA |
| 31.193.144.0 | 31.193.159.255 | 4096 | 27/04/11 | MYNET S.R.L. |
| 31.194.0.0 | 31.195.255.255 | 131072 | 21/04/11 | Telecom Italia S.p.A. |
| 31.196.0.0 | 31.199.255.255 | 262144 | 21/04/11 | Telecom Italia S.p.A. |
| 31.207.96.0 | 31.207.127.255 | 8192 | 02/05/11 | Azienda Pubbliservizi Brunico |
| 31.216.240.0 | 31.216.255.255 | 4096 | 10/05/11 | Asco TLC S.p.A. |
| 31.223.240.0 | 31.223.255.255 | 4096 | 17/05/11 | Retelit Digital Services S.p.A. |
| 37.9.224.0 | 37.9.239.255 | 4096 | 15/12/11 | SEEWEB s.r.l. |
| 37.10.80.0 | 37.10.95.255 | 4096 | 15/12/11 | Ambrogio s.r.l. |
| 37.32.80.0 | 37.32.95.255 | 4096 | 03/01/12 | Poste Italiane S.p.A. |
| 37.77.112.0 | 37.77.127.255 | 4096 | 02/02/12 | OpNet spa |
| 37.77.208.0 | 37.77.223.255 | 4096 | 03/02/12 | ASDASD srl a socio unico |
| 37.99.224.0 | 37.99.255.255 | 8192 | 08/02/12 | Irpinia Net-Com SRL |
| 37.100.0.0 | 37.103.255.255 | 262144 | 01/02/12 | WIND TRE S.P.A. |
| 37.116.0.0 | 37.119.255.255 | 262144 | 10/02/12 | Vodafone Italia S.p.A. |
| 37.159.0.0 | 37.159.255.255 | 65536 | 19/03/12 | Vodafone Italia S.p.A. |
| 37.176.0.0 | 37.183.255.255 | 524288 | 19/03/12 | Vodafone Italia S.p.A. |
| 37.186.128.0 | 37.186.191.255 | 16384 | 20/03/12 | Brennercom S.p.A. |
| 37.186.192.0 | 37.186.255.255 | 16384 | 20/03/12 | Fastweb SpA |
| 37.203.224.0 | 37.203.239.255 | 4096 | 27/03/12 | CONSORZIO ELETTRICO DI STORO, SOCIETA COOPERATIVA |
| 37.205.128.0 | 37.205.255.255 | 32768 | 28/03/12 | Telecom Italia S.p.A. |
| 37.206.0.0 | 37.207.255.255 | 131072 | 28/03/12 | Telecom Italia S.p.A. |
| 37.226.0.0 | 37.227.255.255 | 131072 | 10/04/12 | WIND TRE S.P.A. |
| 45.33.224.0 | 45.33.239.255 | 4096 | 27/03/15 | TWT S.p.A. |
| 46.20.80.0 | 46.20.95.255 | 4096 | 23/09/10 | Fiberwide S.p.a. |
| 46.21.176.0 | 46.21.191.255 | 4096 | 10/11/10 | Planetel SPA |
| 46.23.192.0 | 46.23.207.255 | 4096 | 10/12/10 | Wispone S.R.L. |
| 46.37.0.0 | 46.37.31.255 | 8192 | 03/11/10 | Aruba S.p.A. |
| 46.37.224.0 | 46.37.255.255 | 8192 | 19/11/10 | ip telecom srl |
| 46.44.192.0 | 46.44.255.255 | 16384 | 01/09/10 | Vianova S.p.A |
| 46.141.0.0 | 46.141.255.255 | 65536 | 22/11/10 | Wolnet SRL |
| 46.228.240.0 | 46.228.255.255 | 4096 | 09/02/11 | IRIDEOS S.P.A. |
| 46.229.80.0 | 46.229.95.255 | 4096 | 14/02/11 | Axera SpA |
| 46.233.128.0 | 46.233.191.255 | 16384 | 24/02/11 | IREN ENERGIA S.P.A |
| 46.234.192.0 | 46.234.223.255 | 8192 | 16/02/11 | Net Global Srl |
| 46.234.224.0 | 46.234.255.255 | 8192 | 17/02/11 | Brennercom S.p.A. |
| 46.252.144.0 | 46.252.159.255 | 4096 | 22/12/10 | Netsons s.r.l. |
| 49.236.0.0 | 49.236.63.255 | 16384 | 29/11/10 | EOLO S.p.A. |
| 51.179.0.0 | 51.179.127.255 | 32768 | 01/09/93 | OpNet spa |
| 52.144.64.0 | 52.144.95.255 | 8192 | 19/12/91 | IRIDEOS S.P.A. |
| 62.10.0.0 | 62.11.255.255 | 131072 | 10/08/99 | Tiscali Italia S.P.A. |
| 62.13.160.0 | 62.13.191.255 | 8192 | 17/01/02 | WIND TRE S.P.A. |
| 62.18.0.0 | 62.19.255.255 | 131072 | 10/11/11 | Telecom Italia S.p.A. |
| 62.48.32.0 | 62.48.63.255 | 8192 | 15/05/00 | Playnet S.R.L. |
| 62.77.32.0 | 62.77.63.255 | 8192 | 23/10/02 | Telecom Italia S.p.A. |
| 62.85.160.0 | 62.85.191.255 | 8192 | 04/02/02 | Aconet Srl |
| 62.85.192.0 | 62.85.255.255 | 16384 | 28/09/06 | BT Italia S.p.A. |
| 62.86.0.0 | 62.86.255.255 | 65536 | 27/07/00 | Telecom Italia S.p.A. |
| 62.94.0.0 | 62.94.255.255 | 65536 | 10/08/00 | IRIDEOS S.P.A. |
| 62.97.0.0 | 62.97.31.255 | 8192 | 10/07/00 | Banco BPM S.P.A |
| 62.97.32.0 | 62.97.63.255 | 8192 | 27/11/02 | INTRED S.P.A. |
| 62.98.0.0 | 62.98.255.255 | 65536 | 23/08/00 | WIND TRE S.P.A. |
| 62.100.64.0 | 62.100.95.255 | 8192 | 23/06/00 | TERRALINK S.R.L. |
| 62.101.0.0 | 62.101.31.255 | 8192 | 10/07/00 | Informatica Alto Adige Spa |
| 62.101.64.0 | 62.101.127.255 | 16384 | 19/07/01 | Fastweb SpA |
| 62.108.224.0 | 62.108.255.255 | 8192 | 05/12/02 | ZUCCHETTI SPA |
| 62.110.0.0 | 62.110.255.255 | 65536 | 04/09/00 | Telecom Italia S.p.A. |
| 62.123.0.0 | 62.123.255.255 | 65536 | 10/11/00 | BT Italia S.p.A. |
| 62.128.64.0 | 62.128.95.255 | 8192 | 16/06/00 | Intesa Sanpaolo S.p.A. |
| 62.149.128.0 | 62.149.159.255 | 8192 | 01/01/00 | Aruba S.p.A. |
| 62.149.160.0 | 62.149.191.255 | 8192 | 27/04/01 | Aruba S.p.A. |
| 62.149.192.0 | 62.149.255.255 | 16384 | 27/04/01 | Aruba S.p.A. |
| 62.169.32.0 | 62.169.63.255 | 8192 | 07/03/03 | Phoenix Informatica SRL |
| 62.170.0.0 | 62.170.255.255 | 65536 | 18/08/00 | OpNet spa |
| 62.173.160.0 | 62.173.191.255 | 8192 | 12/03/02 | IRIDEOS S.P.A. |
| 62.177.0.0 | 62.177.15.255 | 4096 | 17/07/00 | SIR s.r.l. |
| 62.196.0.0 | 62.196.255.255 | 65536 | 08/10/97 | IRIDEOS S.P.A. |
| 62.205.0.0 | 62.205.31.255 | 8192 | 03/03/08 | Dev Italia srl |
| 62.211.0.0 | 62.211.255.255 | 65536 | 30/11/00 | Telecom Italia S.p.A. |
| 62.212.0.0 | 62.212.31.255 | 8192 | 24/10/97 | Utility Line Italia S.r.l. |
| 62.220.64.0 | 62.220.79.255 | 4096 | 22/06/00 | CESENA NET S.R.L. |
| 62.220.80.0 | 62.220.95.255 | 4096 | 22/06/00 | CESENA NET S.R.L. |
| 62.221.160.0 | 62.221.191.255 | 8192 | 22/04/02 | Intesa Sanpaolo S.p.A. |
| 62.241.0.0 | 62.241.31.255 | 8192 | 20/07/00 | Poste Italiane S.p.A. |
| 62.249.32.0 | 62.249.63.255 | 8192 | 28/05/03 | Banca Mediolanum S.p.A. |
| 67.231.176.0 | 67.231.191.255 | 4096 | 26/05/09 | Server Plan S.r.l. |
| 69.172.96.0 | 69.172.127.255 | 8192 | 25/03/09 | WiMore S.r.l. |
| 77.32.0.0 | 77.32.127.255 | 32768 | 13/12/06 | EOLO S.p.A. |
| 77.39.128.0 | 77.39.159.255 | 8192 | 28/03/07 | Orakom S.r.l. |
| 77.39.160.0 | 77.39.191.255 | 8192 | 28/03/07 | UNIDATA S.p.A. |
| 77.39.192.0 | 77.39.207.255 | 4096 | 28/03/07 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 77.39.224.0 | 77.39.255.255 | 8192 | 28/03/07 | UNIDATA S.p.A. |
| 77.43.0.0 | 77.43.127.255 | 32768 | 07/12/06 | IRIDEOS S.P.A. |
| 77.81.224.0 | 77.81.239.255 | 4096 | 15/02/07 | Aruba S.p.A. |
| 77.89.0.0 | 77.89.63.255 | 16384 | 21/03/07 | Acantho S.p.a |
| 77.93.224.0 | 77.93.255.255 | 8192 | 24/05/07 | IRIDEOS S.P.A. |
| 77.94.80.0 | 77.94.95.255 | 4096 | 29/05/07 | IRIDEOS S.P.A. |
| 77.108.0.0 | 77.108.63.255 | 16384 | 16/01/07 | B.B.Bell SPA |
| 77.238.0.0 | 77.238.31.255 | 8192 | 08/02/07 | Telecom Italia S.p.A. |
| 77.239.128.0 | 77.239.159.255 | 8192 | 09/03/07 | TWT S.p.A. |
| 77.240.224.0 | 77.240.239.255 | 4096 | 24/01/07 | MYNET S.R.L. |
| 77.241.0.0 | 77.241.15.255 | 4096 | 26/01/07 | MYNET S.R.L. |
| 77.241.208.0 | 77.241.223.255 | 4096 | 14/02/07 | Engineering D.HUB S.p.A. |
| 77.242.32.0 | 77.242.47.255 | 4096 | 23/02/07 | AGESCI - Associazione Guide e Scout Cattolici Italiani |
| 77.242.128.0 | 77.242.143.255 | 4096 | 01/03/07 | HAL Service SpA |
| 77.242.176.0 | 77.242.191.255 | 4096 | 01/03/07 | CITTA' STUDI S.P.A. |
| 77.244.80.0 | 77.244.95.255 | 4096 | 23/03/07 | Axitea S.p.A. |
| 77.244.176.0 | 77.244.191.255 | 4096 | 04/04/07 | Planetel SPA |
| 77.246.0.0 | 77.246.15.255 | 4096 | 07/05/07 | IRIDEOS S.P.A. |
| 78.4.0.0 | 78.7.255.255 | 262144 | 20/02/07 | BT Italia S.p.A. |
| 78.26.64.0 | 78.26.127.255 | 16384 | 03/09/07 | ASDASD srl a socio unico |
| 78.110.176.0 | 78.110.191.255 | 4096 | 15/08/07 | OpNet spa |
| 78.111.224.0 | 78.111.239.255 | 4096 | 26/09/07 | XSTREAM SRL |
| 78.134.0.0 | 78.134.127.255 | 32768 | 12/06/07 | EOLO S.p.A. |
| 78.152.96.0 | 78.152.127.255 | 8192 | 13/06/07 | Vianova S.p.A |
| 79.0.0.0 | 79.63.255.255 | 4194304 | 21/02/07 | Telecom Italia S.p.A. |
| 79.135.32.0 | 79.135.63.255 | 8192 | 30/10/07 | Vianova S.p.A |
| 79.140.80.0 | 79.140.95.255 | 4096 | 05/10/07 | TELECOM ITALIA SPARKLE S.p.A. |
| 79.141.176.0 | 79.141.191.255 | 4096 | 23/10/07 | BPER Banca SPA |
| 79.143.112.0 | 79.143.127.255 | 4096 | 23/11/07 | Retelit Digital Services S.p.A. |
| 80.16.0.0 | 80.23.255.255 | 524288 | 12/06/01 | Telecom Italia S.p.A. |
| 80.64.112.0 | 80.64.127.255 | 4096 | 12/02/04 | Camera dei deputati |
| 80.65.144.0 | 80.65.159.255 | 4096 | 14/04/04 | TESLATEL SRL |
| 80.66.208.0 | 80.66.223.255 | 4096 | 15/06/04 | TIMENET SPA |
| 80.67.112.0 | 80.67.127.255 | 4096 | 14/07/04 | cwnet s.r.l. |
| 80.68.176.0 | 80.68.191.255 | 4096 | 04/10/04 | MYNET S.R.L. |
| 80.68.192.0 | 80.68.207.255 | 4096 | 25/05/01 | EUR TEL S.r.l. |
| 80.69.240.0 | 80.69.255.255 | 4096 | 03/04/09 | Optima Italia S.p.A. |
| 80.71.224.0 | 80.71.239.255 | 4096 | 07/06/01 | BZSOLUTIONS SRL |
| 80.72.160.0 | 80.72.175.255 | 4096 | 12/06/01 | ALITALIA Societa Aerea Italiana S.p.A. |
| 80.73.224.0 | 80.73.239.255 | 4096 | 18/06/01 | Aruba S.p.A. |
| 80.74.176.0 | 80.74.191.255 | 4096 | 08/04/03 | IRIDEOS S.P.A. |
| 80.76.16.0 | 80.76.31.255 | 4096 | 18/02/05 | Archimedia SRL |
| 80.76.64.0 | 80.76.79.255 | 4096 | 25/06/01 | LUTECH S.P.A. |
| 80.76.80.0 | 80.76.95.255 | 4096 | 21/02/05 | INTRED S.P.A. |
| 80.82.0.0 | 80.82.15.255 | 4096 | 24/07/01 | InfoCamere SCpA |
| 80.83.160.0 | 80.83.175.255 | 4096 | 02/08/01 | NETWORK SISTEMI S.R.L.S. |
| 80.84.96.0 | 80.84.111.255 | 4096 | 10/08/01 | UniCredit S.p.A. |
| 80.86.48.0 | 80.86.63.255 | 4096 | 10/05/05 | Ampersand Srl |
| 80.86.144.0 | 80.86.159.255 | 4096 | 11/05/05 | Asco TLC S.p.A. |
| 80.88.80.0 | 80.88.95.255 | 4096 | 26/05/05 | Aruba Business S.R.L. |
| 80.88.160.0 | 80.88.175.255 | 4096 | 28/08/01 | MYNET S.R.L. |
| 80.91.48.0 | 80.91.63.255 | 4096 | 08/06/05 | REGISTER S.P.A. |
| 80.93.64.0 | 80.93.79.255 | 4096 | 25/09/01 | Italiaonline S.p.A. |
| 80.93.128.0 | 80.93.143.255 | 4096 | 26/09/01 | Vianova S.p.A |
| 80.94.112.0 | 80.94.127.255 | 4096 | 02/08/05 | Retelit Digital Services S.p.A. |
| 80.104.0.0 | 80.105.255.255 | 131072 | 17/07/01 | Telecom Italia S.p.A. |
| 80.116.0.0 | 80.117.255.255 | 131072 | 06/08/01 | Telecom Italia S.p.A. |
| 80.180.0.0 | 80.183.255.255 | 262144 | 26/09/02 | Telecom Italia S.p.A. |
| 80.204.0.0 | 80.207.255.255 | 262144 | 12/12/01 | Telecom Italia S.p.A. |
| 80.210.96.0 | 80.210.127.255 | 8192 | 12/12/01 | TWT S.p.A. |
| 80.211.0.0 | 80.211.255.255 | 65536 | 12/12/01 | Aruba S.p.A. |
| 80.241.224.0 | 80.241.239.255 | 4096 | 23/10/01 | Telecom Italia S.p.A. |
| 80.244.112.0 | 80.244.127.255 | 4096 | 26/09/05 | Planetel SPA |
| 80.247.64.0 | 80.247.79.255 | 4096 | 12/11/01 | IRIDEOS S.P.A. |
| 80.249.32.0 | 80.249.47.255 | 4096 | 15/01/09 | cwnet s.r.l. |
| 80.252.192.0 | 80.252.207.255 | 4096 | 11/12/01 | Credito Emiliano S.p.A. |
| 80.252.224.0 | 80.252.239.255 | 4096 | 11/12/01 | Easynet S.p.A. |
| 80.253.32.0 | 80.253.47.255 | 4096 | 11/12/01 | Olivetti S.p.A. |
| 80.254.192.0 | 80.254.207.255 | 4096 | 19/12/01 | Intesa Sanpaolo S.p.A. |
| 81.21.16.0 | 81.21.31.255 | 4096 | 06/12/10 | TWT S.p.A. |
| 81.23.80.0 | 81.23.95.255 | 4096 | 14/02/06 | Liguria Digitale S.p.A. |
| 81.24.224.0 | 81.24.239.255 | 4096 | 19/03/02 | Deda Cloud SRL |
| 81.25.96.0 | 81.25.111.255 | 4096 | 22/03/02 | Associazione Vedica |
| 81.27.128.0 | 81.27.143.255 | 4096 | 12/04/02 | Siav S.p.A. |
| 81.27.176.0 | 81.27.191.255 | 4096 | 13/03/06 | IRIDEOS S.P.A. |
| 81.29.144.0 | 81.29.159.255 | 4096 | 28/03/06 | BZSOLUTIONS SRL |
| 81.29.224.0 | 81.29.239.255 | 4096 | 07/05/02 | Linkwireless srl |
| 81.30.0.0 | 81.30.15.255 | 4096 | 08/05/02 | B.B.Bell SPA |
| 81.30.16.0 | 81.30.31.255 | 4096 | 30/03/06 | Comeser S.r.l. |
| 81.31.144.0 | 81.31.159.255 | 4096 | 11/04/06 | Host SpA |
| 81.72.0.0 | 81.75.255.255 | 262144 | 18/01/02 | Telecom Italia S.p.A. |
| 81.81.0.0 | 81.81.255.255 | 65536 | 10/04/02 | WIND TRE S.P.A. |
| 81.88.48.0 | 81.88.63.255 | 4096 | 10/04/06 | REGISTER S.P.A. |
| 81.88.224.0 | 81.88.239.255 | 4096 | 20/06/02 | A2A Smart City S.P.A |
| 81.88.240.0 | 81.88.255.255 | 4096 | 30/08/05 | A2A Smart City S.P.A |
| 81.92.32.0 | 81.92.47.255 | 4096 | 26/07/02 | IRIDEOS S.P.A. |
| 81.93.32.0 | 81.93.47.255 | 4096 | 17/06/09 | Comeser S.r.l. |
| 81.112.0.0 | 81.119.255.255 | 524288 | 08/07/02 | Telecom Italia S.p.A. |
| 81.120.0.0 | 81.123.255.255 | 262144 | 08/07/02 | Telecom Italia S.p.A. |
| 81.124.0.0 | 81.125.255.255 | 131072 | 08/07/02 | Telecom Italia S.p.A. |
| 81.126.0.0 | 81.127.255.255 | 131072 | 08/07/02 | Telecom Italia S.p.A. |
| 81.174.0.0 | 81.174.63.255 | 16384 | 25/02/03 | EOLO S.p.A. |
| 81.174.64.0 | 81.174.127.255 | 16384 | 25/02/03 | BT Italia S.p.A. |
| 81.200.128.0 | 81.200.143.255 | 4096 | 01/10/02 | PROTEC di Rinaldo Silvano & C. Snc |
| 81.200.224.0 | 81.200.239.255 | 4096 | 07/10/02 | Nuovo Pignone International S.r.l |
| 81.201.0.0 | 81.201.15.255 | 4096 | 07/10/02 | Albedo S.r.l. |
| 81.208.0.0 | 81.208.127.255 | 32768 | 01/10/02 | Fastweb SpA |
| 82.48.0.0 | 82.63.255.255 | 1048576 | 07/08/03 | Telecom Italia S.p.A. |
| 82.84.0.0 | 82.85.255.255 | 131072 | 22/05/03 | Tiscali Italia S.P.A. |
| 82.88.0.0 | 82.91.255.255 | 262144 | 07/05/03 | Telecom Italia S.p.A. |
| 82.97.224.0 | 82.97.239.255 | 4096 | 02/12/03 | TWT S.p.A. |
| 82.104.0.0 | 82.107.255.255 | 262144 | 22/10/03 | Telecom Italia S.p.A. |
| 82.113.192.0 | 82.113.223.255 | 8192 | 16/12/03 | TWT S.p.A. |
| 82.115.160.0 | 82.115.191.255 | 8192 | 16/01/04 | A2A Smart City S.P.A |
| 82.119.32.0 | 82.119.63.255 | 8192 | 16/02/04 | SEAC S.p.A. |
| 82.119.192.0 | 82.119.223.255 | 8192 | 17/02/04 | GTT Communications Italy S.R.L. |
| 82.134.192.0 | 82.134.255.255 | 16384 | 05/09/03 | TWT S.p.A. |
| 82.143.0.0 | 82.143.63.255 | 16384 | 11/09/03 | ip telecom srl |
| 82.145.96.0 | 82.145.111.255 | 4096 | 10/06/03 | RMnet S.R.L. |
| 82.145.112.0 | 82.145.127.255 | 4096 | 10/06/03 | UNIDATA S.p.A. |
| 82.145.160.0 | 82.145.191.255 | 8192 | 16/06/03 | WiMore S.r.l. |
| 82.149.32.0 | 82.149.63.255 | 8192 | 03/08/11 | ARIA S.p.A. |
| 82.180.32.0 | 82.180.63.255 | 8192 | 09/10/03 | TWT S.p.A. |
| 82.184.0.0 | 82.191.255.255 | 524288 | 16/09/03 | Telecom Italia S.p.A. |
| 82.192.128.0 | 82.192.159.255 | 8192 | 25/09/03 | Aruba S.p.A. |
| 82.193.0.0 | 82.193.31.255 | 8192 | 01/10/03 | IRIDEOS S.P.A. |
| 82.193.32.0 | 82.193.63.255 | 8192 | 11/05/07 | Retelit Digital Services S.p.A. |
| 82.213.64.0 | 82.213.127.255 | 16384 | 22/10/03 | IREN ENERGIA S.P.A |
| 82.215.128.0 | 82.215.191.255 | 16384 | 21/11/03 | B.B.Bell SPA |
| 83.98.80.0 | 83.98.95.255 | 4096 | 12/01/04 | OpNet spa |
| 83.103.0.0 | 83.103.127.255 | 32768 | 08/03/04 | Fastweb SpA |
| 83.139.224.0 | 83.139.239.255 | 4096 | 07/09/04 | Fiberwide S.p.a. |
| 83.147.64.0 | 83.147.127.255 | 16384 | 18/02/04 | Mewecom Italia spa |
| 83.149.128.0 | 83.149.191.255 | 16384 | 15/03/04 | ESTRACOM SPA |
| 83.175.0.0 | 83.175.63.255 | 16384 | 27/05/04 | Telecom Italia S.p.A. |
| 83.211.0.0 | 83.211.255.255 | 65536 | 11/03/04 | IRIDEOS S.P.A. |
| 83.216.160.0 | 83.216.191.255 | 8192 | 26/02/04 | Acantho S.p.a |
| 83.217.176.0 | 83.217.191.255 | 4096 | 08/03/04 | TWT S.p.A. |
| 83.220.0.0 | 83.220.31.255 | 8192 | 29/03/04 | Burgo Group S.p.A |
| 83.221.96.0 | 83.221.127.255 | 8192 | 13/04/04 | Telecom Italia S.p.A. |
| 83.224.0.0 | 83.225.255.255 | 131072 | 05/02/04 | Vodafone Italia S.p.A. |
| 84.18.128.0 | 84.18.159.255 | 8192 | 12/08/04 | Brennercom S.p.A. |
| 84.33.0.0 | 84.33.63.255 | 16384 | 19/08/04 | INCUBATEC GmbH - Srl |
| 84.33.64.0 | 84.33.127.255 | 16384 | 19/08/04 | EOLO S.p.A. |
| 84.33.128.0 | 84.33.191.255 | 16384 | 19/08/04 | EOLO S.p.A. |
| 84.33.192.0 | 84.33.255.255 | 16384 | 19/08/04 | INCUBATEC GmbH - Srl |
| 84.38.48.0 | 84.38.63.255 | 4096 | 18/04/06 | |
| 84.220.0.0 | 84.223.255.255 | 262144 | 02/06/04 | Tiscali Italia S.P.A. |
| 84.240.128.0 | 84.240.191.255 | 16384 | 03/06/04 | CSI Piemonte |
| 84.247.192.0 | 84.247.255.255 | 16384 | 13/10/04 | MYNET S.R.L. |
| 84.253.128.0 | 84.253.191.255 | 16384 | 20/09/04 | IRIDEOS S.P.A. |
| 84.254.128.0 | 84.254.191.255 | 16384 | 06/10/04 | SKYLOGIC S.P.A. |
| 85.18.0.0 | 85.18.255.255 | 65536 | 14/03/05 | Fastweb SpA |
| 85.20.0.0 | 85.20.255.255 | 65536 | 17/03/05 | BT Italia S.p.A. |
| 85.32.0.0 | 85.47.255.255 | 1048576 | 10/08/04 | Telecom Italia S.p.A. |
| 85.88.192.0 | 85.88.223.255 | 8192 | 29/10/04 | A2A Smart City S.P.A |
| 85.89.128.0 | 85.89.159.255 | 8192 | 03/11/04 | Inrete s.r.l |
| 85.94.192.0 | 85.94.223.255 | 8192 | 04/01/05 | SEEWEB s.r.l. |
| 85.116.224.0 | 85.116.255.255 | 8192 | 16/03/05 | Inrete s.r.l |
| 85.235.128.0 | 85.235.159.255 | 8192 | 11/05/05 | Aruba Business S.R.L. |
| 85.239.160.0 | 85.239.191.255 | 8192 | 20/06/05 | IFOM Fondazione |
| 86.109.128.0 | 86.109.159.255 | 8192 | 06/07/05 | Regione Toscana |
| 86.110.128.0 | 86.110.159.255 | 8192 | 19/07/05 | Acantho S.p.a |
| 87.0.0.0 | 87.31.255.255 | 2097152 | 13/07/05 | Telecom Italia S.p.A. |
| 87.238.0.0 | 87.238.31.255 | 8192 | 28/11/05 | cwnet s.r.l. |
| 87.248.32.0 | 87.248.63.255 | 8192 | 10/08/05 | IRIDEOS S.P.A. |
| 87.250.64.0 | 87.250.95.255 | 8192 | 06/09/05 | Comune di Novara |
| 87.253.96.0 | 87.253.127.255 | 8192 | 05/10/05 | ISI Line srl |
| 88.32.0.0 | 88.63.255.255 | 2097152 | 30/09/05 | Telecom Italia S.p.A. |
| 88.80.64.0 | 88.80.95.255 | 8192 | 25/11/05 | Editoriale Bresciana SpA |
| 88.81.160.0 | 88.81.191.255 | 8192 | 13/12/05 | GTT Communications Italy S.R.L. |
| 88.86.160.0 | 88.86.191.255 | 8192 | 15/02/06 | IRIDEOS S.P.A. |
| 88.87.96.0 | 88.87.127.255 | 8192 | 23/02/06 | B.B.Bell SPA |
| 88.147.0.0 | 88.147.127.255 | 32768 | 06/01/06 | EOLO S.p.A. |
| 88.149.128.0 | 88.149.255.255 | 32768 | 20/01/06 | EOLO S.p.A. |
| 88.202.0.0 | 88.202.127.255 | 32768 | 14/11/05 | SKYLOGIC S.P.A. |
| 89.17.160.0 | 89.17.191.255 | 8192 | 25/07/06 | Regione Veneto |
| 89.21.192.0 | 89.21.223.255 | 8192 | 12/05/10 | Convergenze S.p.A. |
| 89.36.208.0 | 89.36.223.255 | 4096 | 29/11/05 | Aruba S.p.A. |
| 89.39.224.0 | 89.39.239.255 | 4096 | 29/11/05 | Lepida S.c.p.A. |
| 89.40.112.0 | 89.40.127.255 | 4096 | 29/11/05 | Aruba S.p.A. |
| 89.96.0.0 | 89.97.255.255 | 131072 | 13/02/06 | Fastweb SpA |
| 89.105.64.0 | 89.105.79.255 | 4096 | 15/03/06 | Lucense SCaRL |
| 89.118.0.0 | 89.119.255.255 | 131072 | 03/05/06 | BT Italia S.p.A. |
| 89.148.128.0 | 89.148.191.255 | 16384 | 15/02/06 | WicitY srl |
| 89.150.32.0 | 89.150.63.255 | 8192 | 10/03/10 | Wavetech srl |
| 89.184.96.0 | 89.184.127.255 | 8192 | 30/03/06 | IREN ENERGIA S.P.A |
| 89.186.64.0 | 89.186.95.255 | 8192 | 18/04/06 | IRIDEOS S.P.A. |
| 89.188.128.0 | 89.188.159.255 | 8192 | 10/05/06 | Televideocom Srl |
| 89.189.32.0 | 89.189.47.255 | 4096 | 23/05/06 | Axera SpA |
| 89.190.160.0 | 89.190.191.255 | 8192 | 09/06/06 | Brennercom S.p.A. |
| 89.221.32.0 | 89.221.47.255 | 4096 | 22/09/06 | TELECOM ITALIA SPARKLE S.p.A. |
| 89.221.128.0 | 89.221.143.255 | 4096 | 04/10/06 | Comifar Distribuzione S.p.A. |
| 89.221.144.0 | 89.221.159.255 | 4096 | 06/10/06 | Consiglio Nazionale delle Ricerche |
| 89.251.176.0 | 89.251.191.255 | 4096 | 15/09/06 | Logos Technologies S.r.l. |
| 90.147.0.0 | 90.147.255.255 | 65536 | 05/12/06 | Consortium GARR |
| 91.80.0.0 | 91.81.255.255 | 131072 | 25/07/06 | Vodafone Italia S.p.A. |
| 91.143.192.0 | 91.143.207.255 | 4096 | 06/11/06 | Vianova S.p.A |
| 91.187.192.0 | 91.187.223.255 | 8192 | 29/11/06 | INTRED S.P.A. |
| 91.188.0.0 | 91.188.31.255 | 8192 | 01/12/06 | Telespazio S.p.A. |
| 91.252.0.0 | 91.255.255.255 | 262144 | 14/09/12 | WIND TRE S.P.A. |
| 92.39.144.0 | 92.39.159.255 | 4096 | 28/02/08 | Alena Net SRL |
| 92.62.80.0 | 92.62.95.255 | 4096 | 22/01/08 | MYNET S.R.L. |
| 92.63.224.0 | 92.63.239.255 | 4096 | 18/02/08 | Digitalreti srl |
| 92.223.128.0 | 92.223.255.255 | 32768 | 17/10/07 | Fastweb SpA |
| 92.243.128.0 | 92.243.159.255 | 8192 | 29/01/08 | KONVERTO SPA |
| 92.246.32.0 | 92.246.63.255 | 8192 | 16/04/08 | Generali Operations Service Platform S.r.l. |
| 92.246.112.0 | 92.246.127.255 | 4096 | 21/04/08 | Axera SpA |
| 93.32.0.0 | 93.63.255.255 | 2097152 | 25/02/08 | Fastweb SpA |
| 93.64.0.0 | 93.71.255.255 | 524288 | 17/03/08 | Vodafone Italia S.p.A. |
| 93.88.32.0 | 93.88.47.255 | 4096 | 12/03/08 | Comeser S.r.l. |
| 93.88.96.0 | 93.88.111.255 | 4096 | 18/03/08 | Convergenze S.p.A. |
| 93.88.112.0 | 93.88.127.255 | 4096 | 18/03/08 | ISI Line srl |
| 93.89.48.0 | 93.89.63.255 | 4096 | 01/04/08 | Brennercom S.p.A. |
| 93.91.128.0 | 93.91.143.255 | 4096 | 14/05/08 | MYNET S.R.L. |
| 93.101.0.0 | 93.101.255.255 | 65536 | 05/03/08 | SED Multitel s.r.l. |
| 93.144.0.0 | 93.151.255.255 | 524288 | 11/04/08 | Vodafone Italia S.p.A. |
| 93.179.128.0 | 93.179.191.255 | 16384 | 11/04/08 | Vodafone Italia S.p.A. |
| 93.185.112.0 | 93.185.127.255 | 4096 | 06/06/08 | Omegacom S.R.L.S. |
| 93.186.80.0 | 93.186.95.255 | 4096 | 23/06/08 | Ruzzo Reti S.p.a. |
| 93.186.128.0 | 93.186.143.255 | 4096 | 27/06/08 | TELECOM ITALIA SPARKLE S.p.A. |
| 93.186.240.0 | 93.186.255.255 | 4096 | 16/07/08 | Aruba Business S.R.L. |
| 94.32.0.0 | 94.35.255.255 | 262144 | 14/05/08 | Tiscali Italia S.P.A. |
| 94.73.64.0 | 94.73.127.255 | 16384 | 08/07/08 | ASDASD srl a socio unico |
| 94.74.0.0 | 94.74.63.255 | 16384 | 11/07/08 | IREN ENERGIA S.P.A |
| 94.80.0.0 | 94.95.255.255 | 1048576 | 05/06/08 | Telecom Italia S.p.A. |
| 94.101.48.0 | 94.101.63.255 | 4096 | 11/08/08 | Convergenze S.p.A. |
| 94.102.128.0 | 94.102.143.255 | 4096 | 05/09/08 | Planetel SPA |
| 94.138.32.0 | 94.138.63.255 | 8192 | 05/09/08 | IRIDEOS S.P.A. |
| 94.138.160.0 | 94.138.191.255 | 8192 | 07/10/08 | Vianova S.p.A |
| 94.141.0.0 | 94.141.31.255 | 8192 | 04/12/08 | IRIDEOS S.P.A. |
| 94.160.0.0 | 94.167.255.255 | 524288 | 07/08/08 | WIND TRE S.P.A. |
| 94.177.160.0 | 94.177.191.255 | 8192 | 14/08/08 | Aruba S.p.A. |
| 94.177.192.0 | 94.177.255.255 | 16384 | 14/08/08 | Aruba S.p.A. |
| 94.185.96.0 | 94.185.127.255 | 8192 | 15/09/11 | Ipkom Srl |
| 95.74.0.0 | 95.75.255.255 | 131072 | 28/11/08 | Telecom Italia S.p.A. |
| 95.110.128.0 | 95.110.255.255 | 32768 | 18/12/08 | Aruba S.p.A. |
| 95.141.32.0 | 95.141.47.255 | 4096 | 29/05/09 | Seflow s.r.l. |
| 95.142.176.0 | 95.142.191.255 | 4096 | 04/08/09 | TWT S.p.A. |
| 95.143.96.0 | 95.143.111.255 | 4096 | 24/08/09 | FISPA s.r.l. |
| 95.157.64.0 | 95.157.127.255 | 16384 | 01/04/09 | CDLAN SpA |
| 95.169.64.0 | 95.169.95.255 | 8192 | 20/01/09 | HelloTel Telecomunicazioni srl |
| 95.171.32.0 | 95.171.63.255 | 8192 | 23/02/09 | Brennercom S.p.A. |
| 95.174.0.0 | 95.174.31.255 | 8192 | 18/03/09 | SEEWEB s.r.l. |
| 95.210.0.0 | 95.210.255.255 | 65536 | 03/02/09 | SKYLOGIC S.P.A. |
| 95.224.0.0 | 95.255.255.255 | 2097152 | 15/01/09 | Telecom Italia S.p.A. |
| 101.56.0.0 | 101.63.255.255 | 524288 | 09/12/10 | Sky Italia srl |
| 109.52.0.0 | 109.55.255.255 | 262144 | 22/10/09 | Telecom Italia S.p.A. |
| 109.73.80.0 | 109.73.95.255 | 4096 | 08/10/09 | Connesi s.p.a. |
| 109.73.176.0 | 109.73.191.255 | 4096 | 13/10/09 | NETFREE S.R.L.S. |
| 109.75.112.0 | 109.75.127.255 | 4096 | 19/11/09 | ISI Line srl |
| 109.104.240.0 | 109.104.255.255 | 4096 | 08/09/09 | Logos Technologies S.r.l. |
| 109.112.0.0 | 109.119.255.255 | 524288 | 12/06/09 | Vodafone Italia S.p.A. |
| 109.168.0.0 | 109.168.127.255 | 32768 | 02/11/09 | IRIDEOS S.P.A. |
| 109.236.16.0 | 109.236.31.255 | 4096 | 30/11/09 | OpNet spa |
| 109.237.160.0 | 109.237.175.255 | 4096 | 15/01/10 | Wolnet SRL |
| 109.238.16.0 | 109.238.31.255 | 4096 | 20/01/10 | TIMENET SPA |
| 109.238.112.0 | 109.238.127.255 | 4096 | 22/01/10 | CESENA NET S.R.L. |
| 109.239.240.0 | 109.239.255.255 | 4096 | 18/02/10 | 2Bite s.r.l. |
| 119.12.32.0 | 119.12.47.255 | 4096 | 26/11/07 | MYNET S.R.L. |
| 128.45.0.0 | 128.45.255.255 | 65536 | 06/10/11 | WIND TRE S.P.A. |
| 128.65.112.0 | 128.65.127.255 | 4096 | 06/10/11 | IRIDEOS S.P.A. |
| 128.66.0.0 | 128.67.255.255 | 131072 | 06/10/11 | WIND TRE S.P.A. |
| 128.116.128.0 | 128.116.255.255 | 32768 | 24/03/86 | EOLO S.p.A. |
| 130.0.128.0 | 130.0.191.255 | 16384 | 14/10/11 | Vodafone Italia S.p.A. |
| 130.25.0.0 | 130.25.255.255 | 65536 | 14/10/11 | Vodafone Italia S.p.A. |
| 130.136.0.0 | 130.136.255.255 | 65536 | 15/08/88 | |
| 130.186.0.0 | 130.186.31.255 | 8192 | 14/09/88 | |
| 130.186.64.0 | 130.186.127.255 | 16384 | 14/09/88 | |
| 130.192.0.0 | 130.192.63.255 | 16384 | 17/03/88 | |
| 130.192.64.0 | 130.192.95.255 | 8192 | 17/03/88 | |
| 130.192.96.0 | 130.192.159.255 | 16384 | 17/03/88 | |
| 130.192.176.0 | 130.192.191.255 | 4096 | 17/03/88 | |
| 130.192.192.0 | 130.192.223.255 | 8192 | 17/03/88 | |
| 130.192.224.0 | 130.192.239.255 | 4096 | 17/03/88 | |
| 130.192.240.0 | 130.192.255.255 | 4096 | 17/03/88 | |
| 130.251.0.0 | 130.251.255.255 | 65536 | 27/10/88 | |
| 131.1.0.0 | 131.1.255.255 | 65536 | 19/08/88 | |
| 131.114.0.0 | 131.114.255.255 | 65536 | 15/11/88 | |
| 131.154.0.0 | 131.154.255.255 | 65536 | 29/11/88 | |
| 131.175.0.0 | 131.175.255.255 | 65536 | 19/12/88 | |
| 134.90.224.0 | 134.90.255.255 | 8192 | 08/11/11 | Irpinia Net-Com SRL |
| 137.204.0.0 | 137.204.255.255 | 65536 | 03/01/90 | |
| 138.41.0.0 | 138.41.255.255 | 65536 | 31/01/90 | |
| 138.66.0.0 | 138.66.255.255 | 65536 | 07/02/90 | |
| 138.132.0.0 | 138.132.255.255 | 65536 | 21/05/90 | |
| 139.128.0.0 | 139.128.255.255 | 65536 | 16/03/90 | |
| 140.105.0.0 | 140.105.255.255 | 65536 | 19/04/90 | |
| 140.164.0.0 | 140.164.255.255 | 65536 | 07/05/90 | |
| 141.108.0.0 | 141.108.255.255 | 65536 | 12/07/90 | |
| 141.250.0.0 | 141.250.255.255 | 65536 | 22/08/90 | |
| 143.225.0.0 | 143.225.255.255 | 65536 | 30/06/90 | |
| 145.14.160.0 | 145.14.191.255 | 8192 | 01/09/93 | |
| 146.48.0.0 | 146.48.255.255 | 65536 | 16/05/98 | |
| 146.100.0.0 | 146.100.255.255 | 65536 | 05/02/91 | |
| 146.133.0.0 | 146.133.255.255 | 65536 | 08/02/91 | |
| 146.241.0.0 | 146.241.255.255 | 65536 | 03/03/93 | EOLO S.p.A. |
| 147.53.128.0 | 147.53.255.255 | 32768 | 27/06/91 | EOLO S.p.A. |
| 147.122.0.0 | 147.122.255.255 | 65536 | 01/04/91 | |
| 147.162.0.0 | 147.162.255.255 | 65536 | 01/05/91 | |
| 147.163.0.0 | 147.163.255.255 | 65536 | 01/05/91 | |
| 149.62.128.0 | 149.62.143.255 | 4096 | 22/07/11 | Telecom Italia S.p.A. |
| 149.132.0.0 | 149.132.255.255 | 65536 | 01/01/84 | |
| 149.139.0.0 | 149.139.255.255 | 65536 | 24/04/91 | |
| 150.145.0.0 | 150.145.255.255 | 65536 | 16/05/91 | |
| 150.146.0.0 | 150.146.255.255 | 65536 | 16/05/91 | |
| 150.178.0.0 | 150.178.255.255 | 65536 | 24/05/91 | |
| 150.217.0.0 | 150.217.255.255 | 65536 | 11/06/91 | |
| 150.252.224.0 | 150.252.239.255 | 4096 | 19/08/91 | TWT S.p.A. |
| 151.0.128.0 | 151.0.255.255 | 32768 | 06/01/12 | Fastweb SpA |
| 151.1.0.0 | 151.1.255.255 | 65536 | 13/05/91 | ITnet S.r.l. |
| 151.2.0.0 | 151.2.127.255 | 32768 | 13/05/91 | ITnet S.r.l. |
| 151.3.0.0 | 151.79.255.255 | 5046272 | 13/05/91 | |
| 151.80.0.0 | 151.80.255.255 | 65536 | 13/05/91 | |
| 151.81.0.0 | 151.84.255.255 | 262144 | 13/05/91 | |
| 151.85.0.0 | 151.85.255.255 | 65536 | 13/05/91 | |
| 151.86.0.0 | 151.86.255.255 | 65536 | 13/05/91 | |
| 151.87.0.0 | 151.87.255.255 | 65536 | 01/01/84 | |
| 151.88.0.0 | 151.88.255.255 | 65536 | 13/05/91 | |
| 151.89.0.0 | 151.89.255.255 | 65536 | 18/03/93 | |
| 151.90.0.0 | 151.90.255.255 | 65536 | 18/03/93 | |
| 151.91.0.0 | 151.91.255.255 | 65536 | 13/05/91 | |
| 151.92.0.0 | 151.92.255.255 | 65536 | 01/09/93 | |
| 151.93.0.0 | 151.93.255.255 | 65536 | 13/05/91 | |
| 151.94.0.0 | 151.94.255.255 | 65536 | 13/05/91 | Intesa Sanpaolo S.p.A. |
| 151.95.0.0 | 151.95.255.255 | 65536 | 01/01/84 | |
| 151.96.0.0 | 151.96.255.255 | 65536 | 27/12/95 | |
| 151.97.0.0 | 151.97.255.255 | 65536 | 07/07/93 | |
| 151.99.0.0 | 151.99.255.255 | 65536 | 09/09/97 | Telecom Italia S.p.A. |
| 151.100.0.0 | 151.100.255.255 | 65536 | 04/06/91 | |
| 155.185.0.0 | 155.185.255.255 | 65536 | 20/11/91 | |
| 155.253.0.0 | 155.253.255.255 | 65536 | 11/12/91 | |
| 156.14.0.0 | 156.14.255.255 | 65536 | 01/11/91 | |
| 156.54.0.0 | 156.54.255.255 | 65536 | 09/12/91 | |
| 156.148.0.0 | 156.148.255.255 | 65536 | 07/02/92 | |
| 157.27.0.0 | 157.27.255.255 | 65536 | 07/04/04 | |
| 157.28.0.0 | 157.29.255.255 | 131072 | 07/04/04 | |
| 157.138.0.0 | 157.138.199.255 | 51200 | 07/04/04 | |
| 157.138.200.0 | 157.138.255.255 | 14336 | 07/04/04 | |
| 158.47.0.0 | 158.47.255.255 | 65536 | 12/02/92 | |
| 158.102.0.0 | 158.102.255.255 | 65536 | 24/02/92 | |
| 158.110.0.0 | 158.110.255.255 | 65536 | 25/02/92 | |
| 158.148.0.0 | 158.148.255.255 | 65536 | 10/11/11 | Telecom Italia S.p.A. |
| 158.255.192.0 | 158.255.207.255 | 4096 | 15/11/11 | Sokom S.r.l. |
| 159.48.16.0 | 159.48.31.255 | 4096 | 06/03/92 | Azienda Pubbliservizi Brunico |
| 159.149.0.0 | 159.149.255.255 | 65536 | 15/06/92 | |
| 159.210.0.0 | 159.210.255.255 | 65536 | 01/09/93 | |
| 159.213.0.0 | 159.213.255.255 | 65536 | 05/06/92 | |
| 160.66.0.0 | 160.66.255.255 | 65536 | 01/09/93 | |
| 160.78.0.0 | 160.78.255.255 | 65536 | 05/04/04 | |
| 160.80.0.0 | 160.80.255.255 | 65536 | 05/04/04 | |
| 160.97.0.0 | 160.97.255.255 | 65536 | 05/04/04 | |
| 160.180.0.0 | 160.180.255.255 | 65536 | 05/04/04 | |
| 160.220.0.0 | 160.220.255.255 | 65536 | 05/04/93 | |
| 161.27.0.0 | 161.27.255.255 | 65536 | 01/09/93 | |
| 161.147.0.0 | 161.147.255.255 | 65536 | 01/09/93 | |
| 163.162.0.0 | 163.162.255.255 | 65536 | 21/08/92 | |
| 164.130.0.0 | 164.130.255.255 | 65536 | 17/03/93 | |
| 164.142.0.0 | 164.142.255.255 | 65536 | 18/02/94 | |
| 168.202.0.0 | 168.202.255.255 | 65536 | 22/06/94 | |
| 176.32.16.0 | 176.32.31.255 | 4096 | 23/05/11 | OpNet spa |
| 176.57.112.0 | 176.57.127.255 | 4096 | 01/06/11 | TWT S.p.A. |
| 176.62.48.0 | 176.62.63.255 | 4096 | 08/06/11 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 176.65.80.0 | 176.65.95.255 | 4096 | 10/06/11 | Elsynet S.r.l. |
| 176.107.128.0 | 176.107.159.255 | 8192 | 27/01/12 | Aruba S.p.A. |
| 176.200.0.0 | 176.201.255.255 | 131072 | 26/07/11 | Telecom Italia S.p.A. |
| 176.206.0.0 | 176.207.255.255 | 131072 | 05/09/11 | WIND TRE S.P.A. |
| 176.227.128.0 | 176.227.143.255 | 4096 | 01/12/11 | SKYLOGIC S.P.A. |
| 176.242.0.0 | 176.243.255.255 | 131072 | 06/12/11 | Vodafone Italia S.p.A. |
| 176.244.0.0 | 176.247.255.255 | 262144 | 06/12/11 | Vodafone Italia S.p.A. |
| 178.19.144.0 | 178.19.159.255 | 4096 | 19/05/10 | INTRED S.P.A. |
| 178.175.192.0 | 178.175.255.255 | 16384 | 04/05/10 | MYNET S.R.L. |
| 178.211.64.0 | 178.211.95.255 | 8192 | 30/06/10 | Mandarin S.p.A. |
| 178.219.64.0 | 178.219.79.255 | 4096 | 25/05/10 | |
| 178.236.160.0 | 178.236.175.255 | 4096 | 10/06/10 | TWT S.p.A. |
| 178.237.0.0 | 178.237.15.255 | 4096 | 18/06/10 | Playnet S.R.L. |
| 178.238.48.0 | 178.238.63.255 | 4096 | 12/07/10 | MYNET S.R.L. |
| 178.239.32.0 | 178.239.47.255 | 4096 | 02/08/10 | Omegacom S.R.L.S. |
| 178.239.176.0 | 178.239.191.255 | 4096 | 03/09/10 | IRIDEOS S.P.A. |
| 188.8.0.0 | 188.15.255.255 | 524288 | 05/02/09 | Telecom Italia S.p.A. |
| 188.125.96.0 | 188.125.127.255 | 8192 | 07/07/09 | Asco TLC S.p.A. |
| 188.152.0.0 | 188.153.255.255 | 131072 | 27/04/09 | Vodafone Italia S.p.A. |
| 188.209.80.0 | 188.209.95.255 | 4096 | 08/05/09 | Lepida S.c.p.A. |
| 188.213.160.0 | 188.213.175.255 | 4096 | 08/05/09 | Aruba S.p.A. |
| 188.216.0.0 | 188.219.255.255 | 262144 | 13/05/09 | Vodafone Italia S.p.A. |
| 188.228.128.0 | 188.228.255.255 | 32768 | 29/07/09 | ASDASD srl a socio unico |
| 192.84.127.0 | 192.84.156.255 | 7680 | 31/10/90 | |
| 192.106.0.0 | 192.106.255.255 | 65536 | 01/01/93 | |
| 192.107.51.0 | 192.107.100.255 | 12800 | 06/05/91 | |
| 192.135.8.0 | 192.135.37.255 | 7680 | 21/11/91 | |
| 192.167.0.0 | 192.167.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 193.42.64.0 | 193.42.95.255 | 8192 | 14/12/94 | |
| 193.42.160.0 | 193.42.209.255 | 12800 | 09/03/94 | |
| 193.43.48.0 | 193.43.63.255 | 4096 | 26/08/94 | |
| 193.43.160.0 | 193.43.179.255 | 5120 | 30/08/95 | |
| 193.43.192.0 | 193.43.207.255 | 4096 | 25/11/93 | |
| 193.70.128.0 | 193.70.255.255 | 32768 | 01/09/93 | WIND TRE S.P.A. |
| 193.76.0.0 | 193.76.255.255 | 65536 | 26/04/94 | WIND TRE S.P.A. |
| 193.204.0.0 | 193.204.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 193.205.0.0 | 193.205.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 193.206.0.0 | 193.206.255.255 | 65536 | 26/07/95 | Consortium GARR |
| 193.207.0.0 | 193.207.15.255 | 4096 | 26/07/94 | Open Fiber S.P.A. |
| 193.207.32.0 | 193.207.63.255 | 8192 | 26/07/94 | Tiscali Italia S.P.A. |
| 193.207.64.0 | 193.207.127.255 | 16384 | 26/07/94 | Tiscali Italia S.P.A. |
| 193.207.128.0 | 193.207.255.255 | 32768 | 26/07/94 | Tiscali Italia S.P.A. |
| 193.227.64.0 | 193.227.95.255 | 8192 | 21/05/96 | CERVED GROUP S.p.A. |
| 194.20.0.0 | 194.20.255.255 | 65536 | 01/09/93 | IRIDEOS S.P.A. |
| 194.21.0.0 | 194.21.63.255 | 16384 | 01/09/93 | IRIDEOS S.P.A. |
| 194.21.128.0 | 194.21.191.255 | 16384 | 01/09/93 | IRIDEOS S.P.A. |
| 194.79.192.0 | 194.79.223.255 | 8192 | 30/11/95 | UNIDATA S.p.A. |
| 194.116.32.0 | 194.116.47.255 | 4096 | 30/11/94 | B.B.Bell SPA |
| 194.116.48.0 | 194.116.63.255 | 4096 | 30/11/94 | B.B.Bell SPA |
| 194.119.192.0 | 194.119.223.255 | 8192 | 22/03/96 | Consiglio Nazionale delle Ricerche |
| 194.153.192.0 | 194.153.207.255 | 4096 | 09/05/00 | IRIDEOS S.P.A. |
| 194.177.64.0 | 194.177.95.255 | 8192 | 26/03/99 | Infotech S.r.l |
| 194.177.96.0 | 194.177.127.255 | 8192 | 21/07/95 | BT Italia S.p.A. |
| 194.179.128.0 | 194.179.255.255 | 32768 | 26/06/96 | PLANET SERVICE SRL |
| 194.182.64.0 | 194.182.95.255 | 8192 | 14/02/96 | Aruba S.p.A. |
| 194.183.0.0 | 194.183.31.255 | 8192 | 05/12/95 | UNIDATA S.p.A. |
| 194.184.0.0 | 194.184.255.255 | 65536 | 10/11/95 | Telecom Italia S.p.A. |
| 194.185.0.0 | 194.185.31.255 | 8192 | 17/08/95 | BT Italia S.p.A. |
| 194.185.32.0 | 194.185.63.255 | 8192 | 30/08/95 | BT Italia S.p.A. |
| 194.185.64.0 | 194.185.95.255 | 8192 | 24/10/95 | BT Italia S.p.A. |
| 194.185.96.0 | 194.185.127.255 | 8192 | 11/03/96 | BT Italia S.p.A. |
| 194.185.128.0 | 194.185.255.255 | 32768 | 11/03/96 | BT Italia S.p.A. |
| 194.242.192.0 | 194.242.223.255 | 8192 | 15/02/96 | IRIDEOS S.P.A. |
| 194.242.224.0 | 194.242.255.255 | 8192 | 20/02/96 | CINECA CONSORZIO INTERUNIVERSITARIO |
| 194.243.0.0 | 194.243.255.255 | 65536 | 09/02/96 | Telecom Italia S.p.A. |
| 194.244.0.0 | 194.244.255.255 | 65536 | 15/02/96 | IRIDEOS S.P.A. |
| 194.246.0.0 | 194.246.31.255 | 8192 | 29/02/96 | Electrolux Italia SpA |
| 195.22.192.0 | 195.22.223.255 | 8192 | 16/04/97 | TELECOM ITALIA SPARKLE S.p.A. |
| 195.31.0.0 | 195.31.255.255 | 65536 | 18/11/96 | Telecom Italia S.p.A. |
| 195.32.0.0 | 195.32.127.255 | 32768 | 11/04/96 | Officine Informatiche Srl |
| 195.36.0.0 | 195.36.63.255 | 16384 | 21/05/96 | TELNET S.r.l. |
| 195.43.160.0 | 195.43.191.255 | 8192 | 04/02/97 | IRIDEOS S.P.A. |
| 195.45.0.0 | 195.45.255.255 | 65536 | 09/12/96 | WIND TRE S.P.A. |
| 195.60.128.0 | 195.60.159.255 | 8192 | 14/10/96 | Clio S.R.L |
| 195.62.160.0 | 195.62.191.255 | 8192 | 17/10/97 | Lepida S.c.p.A. |
| 195.62.224.0 | 195.62.255.255 | 8192 | 28/11/97 | IRIDEOS S.P.A. |
| 195.72.192.0 | 195.72.223.255 | 8192 | 03/04/97 | Intercom s.r.l. |
| 195.78.192.0 | 195.78.223.255 | 8192 | 22/04/97 | IRIDEOS S.P.A. |
| 195.94.128.0 | 195.94.191.255 | 16384 | 19/11/96 | UNIDATA S.p.A. |
| 195.96.192.0 | 195.96.223.255 | 8192 | 27/05/97 | FASTNET SpA |
| 195.103.0.0 | 195.103.255.255 | 65536 | 12/03/97 | Telecom Italia S.p.A. |
| 195.110.96.0 | 195.110.127.255 | 8192 | 04/09/97 | REGISTER S.P.A. |
| 195.110.128.0 | 195.110.159.255 | 8192 | 20/11/96 | IRIDEOS S.P.A. |
| 195.120.0.0 | 195.120.255.255 | 65536 | 01/05/96 | Telecom Italia S.p.A. |
| 195.130.224.0 | 195.130.255.255 | 8192 | 15/12/97 | Tiscali Italia S.P.A. |
| 195.137.128.0 | 195.137.159.255 | 8192 | 16/03/99 | Wispone S.R.L. |
| 195.181.176.0 | 195.181.191.255 | 4096 | 20/03/97 | Optima Italia S.p.A. |
| 195.182.224.0 | 195.182.255.255 | 8192 | 19/12/97 | MYNET TRENTINO SRL |
| 195.206.0.0 | 195.206.31.255 | 8192 | 11/07/96 | A2A Smart City S.P.A |
| 195.210.64.0 | 195.210.95.255 | 8192 | 03/03/97 | WIND TRE S.P.A. |
| 195.223.0.0 | 195.223.255.255 | 65536 | 07/11/97 | Telecom Italia S.p.A. |
| 195.230.192.0 | 195.230.255.255 | 16384 | 10/10/97 | TELECOM ITALIA SPARKLE S.p.A. |
| 195.231.0.0 | 195.231.127.255 | 32768 | 02/12/97 | Aruba S.p.A. |
| 195.250.224.0 | 195.250.255.255 | 8192 | 25/11/97 | UNIDATA S.p.A. |
| 195.254.224.0 | 195.254.255.255 | 8192 | 08/01/98 | KONVERTO SPA |
| 209.227.192.0 | 209.227.255.255 | 16384 | 31/05/00 | Aruba S.p.A. |
| 212.3.160.0 | 212.3.191.255 | 8192 | 07/03/11 | Clio S.R.L |
| 212.4.0.0 | 212.4.31.255 | 8192 | 19/02/98 | Verizon Italia SpA |
| 212.7.64.0 | 212.7.95.255 | 8192 | 10/07/98 | CRIF S.p.A. |
| 212.14.128.0 | 212.14.159.255 | 8192 | 29/04/98 | Ministero dell'Interno |
| 212.15.64.0 | 212.15.79.255 | 4096 | 14/07/98 | Unica Telecomunicazioni s.r.l. |
| 212.17.192.0 | 212.17.223.255 | 8192 | 26/08/98 | BT Italia S.p.A. |
| 212.19.96.0 | 212.19.127.255 | 8192 | 07/09/99 | Leonet4cloud srl |
| 212.22.128.0 | 212.22.159.255 | 8192 | 11/05/98 | Open Fiber S.P.A. |
| 212.24.0.0 | 212.24.31.255 | 8192 | 18/02/98 | Open Fiber S.P.A. |
| 212.25.160.0 | 212.25.191.255 | 8192 | 12/04/99 | SEEWEB s.r.l. |
| 212.28.160.0 | 212.28.191.255 | 8192 | 23/03/99 | Abaco Informatica S.r.l. |
| 212.29.128.0 | 212.29.159.255 | 8192 | 27/05/98 | IRIDEOS S.P.A. |
| 212.35.192.0 | 212.35.223.255 | 8192 | 08/09/98 | SEEWEB s.r.l. |
| 212.38.32.0 | 212.38.63.255 | 8192 | 01/03/99 | A2A Smart City S.P.A |
| 212.39.0.0 | 212.39.31.255 | 8192 | 31/03/98 | Umbrianet S.R.L. |
| 212.43.96.0 | 212.43.127.255 | 8192 | 13/09/99 | Micso s.r.l. |
| 212.45.128.0 | 212.45.159.255 | 8192 | 29/05/98 | Metrolink S.R.L. |
| 212.46.64.0 | 212.46.95.255 | 8192 | 02/06/08 | Mandarin S.p.A. |
| 212.46.160.0 | 212.46.191.255 | 8192 | 21/12/07 | KONVERTO SPA |
| 212.47.32.0 | 212.47.63.255 | 8192 | 15/03/99 | General Software s.r.l. |
| 212.48.0.0 | 212.48.31.255 | 8192 | 16/02/98 | Italiaonline S.p.A. |
| 212.48.160.0 | 212.48.191.255 | 8192 | 18/03/99 | TESLATEL SRL |
| 212.52.64.0 | 212.52.127.255 | 16384 | 12/06/98 | WIND TRE S.P.A. |
| 212.54.240.0 | 212.54.255.255 | 4096 | 08/10/99 | Gianluca Sironi |
| 212.66.96.0 | 212.66.127.255 | 8192 | 08/11/99 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 212.66.224.0 | 212.66.255.255 | 8192 | 25/05/00 | SEEWEB s.r.l. |
| 212.70.224.0 | 212.70.255.255 | 8192 | 26/05/00 | Net Bull S.r.l. |
| 212.77.64.0 | 212.77.95.255 | 8192 | 01/02/99 | Leonet4cloud srl |
| 212.78.0.0 | 212.78.31.255 | 8192 | 14/10/98 | Opiquad SRL |
| 212.90.0.0 | 212.90.31.255 | 8192 | 21/10/98 | IRIDEOS S.P.A. |
| 212.91.32.0 | 212.91.63.255 | 8192 | 24/06/99 | RS Advanced Systems S.R.L. |
| 212.91.64.0 | 212.91.95.255 | 8192 | 15/01/07 | IRIDEOS S.P.A. |
| 212.94.128.0 | 212.94.159.255 | 8192 | 04/12/98 | Sr Net S.R.L. |
| 212.97.32.0 | 212.97.63.255 | 8192 | 29/06/99 | IRIDEOS S.P.A. |
| 212.102.64.0 | 212.102.95.255 | 8192 | 20/01/99 | Banca Nazionale del Lavoro S.P.A. |
| 212.103.192.0 | 212.103.223.255 | 8192 | 20/05/99 | Trivenet S.R.L. |
| 212.104.0.0 | 212.104.63.255 | 16384 | 16/11/98 | P.A. A.B.S. SRL - Partners Associates Advanced Business Solution |
| 212.110.0.0 | 212.110.31.255 | 8192 | 26/10/98 | IRIDEOS S.P.A. |
| 212.110.32.0 | 212.110.63.255 | 8192 | 10/06/99 | IT.Gate S.p.A. |
| 212.112.64.0 | 212.112.95.255 | 8192 | 25/01/99 | Critical Case s.r.l |
| 212.115.64.0 | 212.115.95.255 | 8192 | 11/02/99 | Nouvelle S.r.l |
| 212.121.64.0 | 212.121.95.255 | 8192 | 15/02/99 | Metrolink S.R.L. |
| 212.123.64.0 | 212.123.95.255 | 8192 | 24/02/99 | Tiscali Italia S.P.A. |
| 212.124.160.0 | 212.124.191.255 | 8192 | 14/07/99 | EOLO S.p.A. |
| 212.131.0.0 | 212.131.255.255 | 65536 | 18/03/99 | Telecom Italia S.p.A. |
| 212.141.0.0 | 212.141.127.255 | 32768 | 29/03/99 | WIND TRE S.P.A. |
| 212.141.128.0 | 212.141.255.255 | 32768 | 14/03/00 | WIND TRE S.P.A. |
| 212.162.64.0 | 212.162.127.255 | 16384 | 03/08/00 | RAI RadioTelevisione Italiana |
| 212.165.32.0 | 212.165.63.255 | 8192 | 01/05/02 | INTRED S.P.A. |
| 212.171.0.0 | 212.171.255.255 | 65536 | 12/05/99 | Telecom Italia S.p.A. |
| 212.177.0.0 | 212.177.255.255 | 65536 | 12/05/99 | Verizon Italia SpA |
| 212.183.160.0 | 212.183.191.255 | 8192 | 04/09/00 | INTRED S.P.A. |
| 212.189.128.0 | 212.189.255.255 | 32768 | 10/06/02 | Consortium GARR |
| 212.210.0.0 | 212.210.255.255 | 65536 | 01/04/98 | Telecom Italia S.p.A. |
| 212.216.0.0 | 212.216.255.255 | 65536 | 25/02/98 | Telecom Italia S.p.A. |
| 212.237.0.0 | 212.237.63.255 | 16384 | 25/09/98 | Aruba Business S.R.L. |
| 212.239.0.0 | 212.239.127.255 | 32768 | 30/09/98 | BT Italia S.p.A. |
| 212.245.0.0 | 212.245.255.255 | 65536 | 15/10/98 | WIND TRE S.P.A. |
| 213.21.128.0 | 213.21.191.255 | 16384 | 23/10/00 | IRIDEOS S.P.A. |
| 213.26.0.0 | 213.26.255.255 | 65536 | 04/10/99 | Telecom Italia S.p.A. |
| 213.32.208.0 | 213.32.223.255 | 4096 | 28/06/99 | Optima Italia S.p.A. |
| 213.45.0.0 | 213.45.255.255 | 65536 | 07/01/00 | Telecom Italia S.p.A. |
| 213.82.0.0 | 213.82.255.255 | 65536 | 24/05/00 | Telecom Italia S.p.A. |
| 213.92.0.0 | 213.92.127.255 | 32768 | 20/06/00 | BT Italia S.p.A. |
| 213.134.64.0 | 213.134.95.255 | 8192 | 15/03/00 | UniCredit S.p.A. |
| 213.136.128.0 | 213.136.159.255 | 8192 | 19/01/00 | IRIDEOS S.P.A. |
| 213.136.160.0 | 213.136.191.255 | 8192 | 20/10/00 | IRIDEOS S.P.A. |
| 213.137.32.0 | 213.137.63.255 | 8192 | 20/10/00 | WiMore S.r.l. |
| 213.140.0.0 | 213.140.31.255 | 8192 | 13/12/99 | Fastweb SpA |
| 213.144.64.0 | 213.144.95.255 | 8192 | 28/02/00 | ISI Line srl |
| 213.144.160.0 | 213.144.191.255 | 8192 | 23/03/01 | TELECOM ITALIA SPARKLE S.p.A. |
| 213.149.192.0 | 213.149.223.255 | 8192 | 11/03/08 | IRIDEOS S.P.A. |
| 213.152.192.0 | 213.152.223.255 | 8192 | 11/04/00 | Made Network Srl |
| 213.156.32.0 | 213.156.63.255 | 8192 | 24/11/00 | Fastweb SpA |
| 213.158.64.0 | 213.158.95.255 | 8192 | 20/03/00 | REGISTER S.P.A. |
| 213.171.96.0 | 213.171.127.255 | 8192 | 06/11/02 | AGSM AIM Smart Solutions SRL |
| 213.171.160.0 | 213.171.191.255 | 8192 | 30/05/01 | SEEWEB s.r.l. |
| 213.174.160.0 | 213.174.191.255 | 8192 | 11/06/01 | Acantho S.p.a |
| 213.175.0.0 | 213.175.31.255 | 8192 | 18/01/00 | Enterprise Services Italia S.R.L |
| 213.177.160.0 | 213.177.191.255 | 8192 | 22/06/01 | WIS TELECOM S.R.L. |
| 213.178.192.0 | 213.178.207.255 | 4096 | 20/04/00 | Axera SpA |
| 213.182.64.0 | 213.182.95.255 | 8192 | 15/04/08 | Vianova S.p.A |
| 213.183.128.0 | 213.183.159.255 | 8192 | 21/02/00 | IRIDEOS S.P.A. |
| 213.187.0.0 | 213.187.31.255 | 8192 | 10/12/09 | Net Global Srl |
| 213.198.128.0 | 213.198.191.255 | 16384 | 16/05/00 | IRIDEOS S.P.A. |
| 213.199.0.0 | 213.199.31.255 | 8192 | 15/02/00 | BT Italia S.p.A. |
| 213.203.128.0 | 213.203.191.255 | 16384 | 29/08/00 | IRIDEOS S.P.A. |
| 213.204.0.0 | 213.204.31.255 | 8192 | 16/09/99 | Uno Communications SpA |
| 213.205.0.0 | 213.205.31.255 | 8192 | 22/12/99 | Tiscali Italia S.P.A. |
| 213.205.32.0 | 213.205.63.255 | 8192 | 22/12/99 | Tiscali Italia S.P.A. |
| 213.209.0.0 | 213.209.63.255 | 16384 | 15/11/99 | Italiaonline S.p.A. |
| 213.209.160.0 | 213.209.191.255 | 8192 | 21/07/03 | SKYLOGIC S.P.A. |
| 213.209.192.0 | 213.209.255.255 | 16384 | 14/11/02 | Acantho S.p.a |
| 213.212.128.0 | 213.212.191.255 | 16384 | 12/04/00 | IT.Gate S.p.A. |
| 213.213.0.0 | 213.213.63.255 | 16384 | 10/12/99 | BT Italia S.p.A. |
| 213.213.64.0 | 213.213.127.255 | 16384 | 27/10/00 | BT Italia S.p.A. |
| 213.217.128.0 | 213.217.191.255 | 16384 | 15/06/00 | BT Italia S.p.A. |
| 213.218.32.0 | 213.218.63.255 | 8192 | 07/12/01 | Banca Sella Holding S.p.A. |
| 213.225.192.0 | 213.225.223.255 | 8192 | 27/03/03 | Momax Network S.r.l. |
| 213.225.240.0 | 213.225.255.255 | 4096 | 27/03/03 | XSTREAM SRL |
| 213.230.128.0 | 213.230.159.255 | 8192 | 16/05/00 | Telecom Italia S.p.A. |
| 213.233.0.0 | 213.233.63.255 | 16384 | 23/11/99 | UNIDATA S.p.A. |
| 213.234.128.0 | 213.234.191.255 | 16384 | 04/05/00 | BT Italia S.p.A. |
| 213.243.192.0 | 213.243.255.255 | 16384 | 10/06/03 | Terrecablate Reti e Servizi S.R.L. |
| 213.254.0.0 | 213.254.31.255 | 8192 | 05/11/99 | IT.Gate S.p.A. |
| 213.255.0.0 | 213.255.63.255 | 16384 | 23/07/99 | BT Italia S.p.A. |
| 213.255.64.0 | 213.255.127.255 | 16384 | 09/04/01 | BT Italia S.p.A. |
| 216.247.128.0 | 216.247.191.255 | 16384 | 21/10/99 | EOLO S.p.A. |
| 217.9.64.0 | 217.9.79.255 | 4096 | 04/08/00 | CNIT Italian National Consortium for Telecommunications |
| 217.11.0.0 | 217.11.15.255 | 4096 | 18/08/00 | CEDACRI S.P.A. |
| 217.11.80.0 | 217.11.95.255 | 4096 | 21/11/02 | IRIDEOS S.P.A. |
| 217.12.128.0 | 217.12.143.255 | 4096 | 24/08/00 | BCC SISTEMI INFORMATICI S.P.A. |
| 217.12.160.0 | 217.12.175.255 | 4096 | 24/08/00 | Yepa S.r.l. |
| 217.12.176.0 | 217.12.191.255 | 4096 | 26/11/02 | IRIDEOS S.P.A. |
| 217.15.208.0 | 217.15.223.255 | 4096 | 24/12/02 | IRIDEOS S.P.A. |
| 217.18.0.0 | 217.18.15.255 | 4096 | 18/09/00 | Weblink srl |
| 217.18.96.0 | 217.18.111.255 | 4096 | 18/09/00 | WIIT S.p.A. |
| 217.18.112.0 | 217.18.127.255 | 4096 | 12/06/03 | WIIT S.p.A. |
| 217.19.144.0 | 217.19.159.255 | 4096 | 23/01/03 | Retelit Digital Services S.p.A. |
| 217.20.0.0 | 217.20.15.255 | 4096 | 22/09/00 | Uniplan Software S.r.l. |
| 217.21.128.0 | 217.21.143.255 | 4096 | 03/02/09 | SED Multitel s.r.l. |
| 217.22.208.0 | 217.22.223.255 | 4096 | 25/02/03 | Notartel S.p.A. |
| 217.22.224.0 | 217.22.239.255 | 4096 | 04/10/00 | GTT Communications Italy S.R.L. |
| 217.22.240.0 | 217.22.255.255 | 4096 | 26/07/02 | GTT Communications Italy S.R.L. |
| 217.26.80.0 | 217.26.95.255 | 4096 | 15/04/03 | IRIDEOS S.P.A. |
| 217.27.64.0 | 217.27.95.255 | 8192 | 17/10/00 | Telecom Italia S.p.A. |
| 217.27.112.0 | 217.27.127.255 | 4096 | 02/05/03 | Siportal Srl |
| 217.28.112.0 | 217.28.127.255 | 4096 | 05/05/03 | Triskel srl |
| 217.29.64.0 | 217.29.79.255 | 4096 | 19/10/00 | MIX S.r.L. - Milan Internet eXchange |
| 217.29.160.0 | 217.29.175.255 | 4096 | 20/10/00 | IRIDEOS S.P.A. |
| 217.31.112.0 | 217.31.127.255 | 4096 | 12/06/03 | Comune di Milano |
| 217.56.0.0 | 217.59.255.255 | 262144 | 27/10/00 | Telecom Italia S.p.A. |
| 217.61.0.0 | 217.61.63.255 | 16384 | 01/11/00 | Aruba S.p.A. |
| 217.61.96.0 | 217.61.127.255 | 8192 | 01/11/00 | Aruba Business S.R.L. |
| 217.61.160.0 | 217.61.175.255 | 4096 | 01/11/00 | TWT S.p.A. |
| 217.64.192.0 | 217.64.207.255 | 4096 | 31/10/00 | SEEWEB s.r.l. |
| 217.65.64.0 | 217.65.79.255 | 4096 | 01/11/00 | Digital Bros. S.p.A. |
| 217.70.144.0 | 217.70.159.255 | 4096 | 29/07/03 | INCUBATEC GmbH - Srl |
| 217.71.64.0 | 217.71.79.255 | 4096 | 21/11/00 | Allitude S.p.A. |
| 217.72.96.0 | 217.72.111.255 | 4096 | 27/11/00 | UNIDATA S.p.A. |
| 217.73.208.0 | 217.73.223.255 | 4096 | 01/09/03 | Tiscali Italia S.P.A. |
| 217.73.224.0 | 217.73.239.255 | 4096 | 15/12/00 | Aruba Business S.R.L. |
| 217.76.208.0 | 217.76.223.255 | 4096 | 14/10/03 | Regione Autonoma Valle d'Aosta - Dipartimento Sistema Informativo |
| 217.77.80.0 | 217.77.95.255 | 4096 | 10/10/03 | FONDAZIONE BRUNO KESSLER |
| 217.112.96.0 | 217.112.111.255 | 4096 | 20/03/09 | Digital Telecommunication Services S.r.l. |
| 217.113.208.0 | 217.113.223.255 | 4096 | 20/11/03 | IN.VA. S.p.A. |
| 217.115.16.0 | 217.115.31.255 | 4096 | 23/12/03 | Multiwire S.r.l. |
| 217.118.0.0 | 217.118.15.255 | 4096 | 08/02/01 | WIIT S.p.A. |
| 217.118.144.0 | 217.118.159.255 | 4096 | 11/02/04 | Intesa Sanpaolo S.p.A. |
| 217.118.240.0 | 217.118.255.255 | 4096 | 19/02/04 | United Nations World Food Programme |
| 217.133.0.0 | 217.133.255.255 | 65536 | 24/01/01 | Tiscali Italia S.P.A. |
| 217.141.0.0 | 217.141.255.255 | 65536 | 08/02/01 | Telecom Italia S.p.A. |
| 217.146.192.0 | 217.146.207.255 | 4096 | 19/12/08 | A2A Smart City S.P.A |
| 217.147.128.0 | 217.147.143.255 | 4096 | 02/03/01 | Sprintlink Italy Srl |
| 217.147.144.0 | 217.147.159.255 | 4096 | 06/05/04 | IN.VA. S.p.A. |
| 217.148.96.0 | 217.148.111.255 | 4096 | 06/03/01 | UniCredit S.p.A. |
| 217.148.112.0 | 217.148.127.255 | 4096 | 28/05/04 | Ne-t by Telerete Nordest Srl |
| 217.149.80.0 | 217.149.95.255 | 4096 | 11/06/04 | Benetton Group S.R.L. |
| 217.168.224.0 | 217.168.239.255 | 4096 | 22/03/01 | SEEWEB s.r.l. |
| 217.169.96.0 | 217.169.111.255 | 4096 | 11/04/01 | Telecom Italia S.p.A. |
| 217.169.112.0 | 217.169.127.255 | 4096 | 18/10/01 | Telecom Italia S.p.A. |
| 217.170.224.0 | 217.170.239.255 | 4096 | 29/03/01 | Computer Design Srl |
| 217.171.32.0 | 217.171.47.255 | 4096 | 30/03/01 | CDLAN SpA |
| 217.171.64.0 | 217.171.79.255 | 4096 | 05/03/12 | Poste Italiane S.p.A. |
| 217.171.160.0 | 217.171.175.255 | 4096 | 02/04/01 | Intesa Sanpaolo S.p.A. |
| 217.172.0.0 | 217.172.15.255 | 4096 | 03/04/01 | Engineering D.HUB S.p.A. |
| 217.172.192.0 | 217.172.223.255 | 8192 | 06/04/01 | Telecom Italia S.p.A. |
| 217.174.112.0 | 217.174.127.255 | 4096 | 30/07/04 | Metrolink S.R.L. |
| 217.174.128.0 | 217.174.143.255 | 4096 | 12/02/09 | WAYPOINT SRLS |
| 217.175.48.0 | 217.175.63.255 | 4096 | 03/09/04 | Sogei Societa' Generale d' Informatica S.p.A. |
| 217.194.0.0 | 217.194.15.255 | 4096 | 19/04/01 | SEEWEB s.r.l. |
| 217.194.176.0 | 217.194.191.255 | 4096 | 15/09/04 | Redder Telco s.r.l. |
| 217.196.128.0 | 217.196.143.255 | 4096 | 20/09/10 | Irpinia Net-Com SRL |
| 217.198.128.0 | 217.198.143.255 | 4096 | 11/02/11 | Aruba S.p.A. |
| 217.199.0.0 | 217.199.15.255 | 4096 | 07/05/01 | Brennercom S.p.A. |
| 217.199.16.0 | 217.199.31.255 | 4096 | 27/05/03 | Brennercom S.p.A. |
| 217.200.0.0 | 217.203.255.255 | 262144 | 27/03/01 | Telecom Italia S.p.A. |
| 217.220.0.0 | 217.220.255.255 | 65536 | 11/04/01 | BT Italia S.p.A. |
| 217.221.0.0 | 217.221.255.255 | 65536 | 19/11/02 | BT Italia S.p.A. |
| 217.222.0.0 | 217.222.127.255 | 32768 | 12/04/01 | Telecom Italia S.p.A. |
| 217.222.128.0 | 217.222.255.255 | 32768 | 10/10/01 | Telecom Italia S.p.A. |
| 217.223.0.0 | 217.223.255.255 | 65536 | 10/10/01 | Telecom Italia S.p.A.
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Major IP Address Blocks For Italy