fetus

🇬🇧イギリスUnited Kingdom


割り振り一覧

イギリスに割り振りされたIPアドレスの一覧です。

大体のケースでは「Merged CIDR」の表示の方が便利です。

データをアクセス制御に使いたい方は「ダウンロード」をご利用ください。

イギリスには138,626,440個のIPアドレスが割り振られています。これは全アドレス空間の3.22765%、予約領域を除くと3.74438%です。


6201-6400 of 8907 rows
CIDRIPアドレス割り振り日レジストリ
192.138.248.0/24192.138.248.0 - 192.138.248.2551992/01/22RIPE NCC
192.145.52.0/22192.145.52.0 - 192.145.55.2552018/12/10RIPE NCC
192.146.123.0/24192.146.123.0 - 192.146.123.2551992/01/24RIPE NCC
192.146.136.0/24192.146.136.0 - 192.146.136.2551992/01/28RIPE NCC
192.146.137.0/24192.146.137.0 - 192.146.137.2552012/01/06RIPE NCC
192.146.228.0/24192.146.228.0 - 192.146.228.2551992/02/07RIPE NCC
192.147.23.0/24192.147.23.0 - 192.147.23.2551992/02/10RIPE NCC
192.147.36.0/24192.147.36.0 - 192.147.36.2551992/02/12RIPE NCC
192.147.150.0/24192.147.150.0 - 192.147.150.2551992/02/15RIPE NCC
192.147.212.0/24192.147.212.0 - 192.147.212.2551992/02/17RIPE NCC
192.147.217.0/24192.147.217.0 - 192.147.217.2551992/02/17RIPE NCC
192.147.219.0/24192.147.219.0 - 192.147.219.2551992/02/18RIPE NCC
192.147.228.0/24192.147.228.0 - 192.147.228.2551992/02/19RIPE NCC
192.148.177.0/24192.148.177.0 - 192.148.177.2551992/02/28RIPE NCC
192.148.178.0/24192.148.178.0 - 192.148.178.2551992/02/28RIPE NCC
192.148.179.0/24192.148.179.0 - 192.148.179.2551992/02/28RIPE NCC
192.148.180.0/24192.148.180.0 - 192.148.180.2551992/02/28RIPE NCC
192.148.181.0/24192.148.181.0 - 192.148.181.2551992/02/28RIPE NCC
192.148.182.0/24192.148.182.0 - 192.148.182.2551992/02/28RIPE NCC
192.148.183.0/24192.148.183.0 - 192.148.183.2551992/02/28RIPE NCC
192.148.184.0/24192.148.184.0 - 192.148.184.2551992/02/28RIPE NCC
192.148.185.0/24192.148.185.0 - 192.148.185.2551992/02/28RIPE NCC
192.148.186.0/24192.148.186.0 - 192.148.186.2551992/02/28RIPE NCC
192.148.194.0/24192.148.194.0 - 192.148.194.2551992/03/02RIPE NCC
192.148.198.0/24192.148.198.0 - 192.148.198.2551992/03/03RIPE NCC
192.148.199.0/24192.148.199.0 - 192.148.199.2551992/03/03RIPE NCC
192.148.216.0/24192.148.216.0 - 192.148.216.2551992/03/03RIPE NCC
192.149.15.0/24192.149.15.0 - 192.149.15.2551993/09/01RIPE NCC
192.149.57.0/24192.149.57.0 - 192.149.57.2551992/02/27RIPE NCC
192.149.60.0/24192.149.60.0 - 192.149.60.2551992/03/02RIPE NCC
192.149.98.0/24192.149.98.0 - 192.149.98.2551992/03/05RIPE NCC
192.149.111.0/24192.149.111.0 - 192.149.111.2551992/03/06RIPE NCC
192.149.117.0/24192.149.117.0 - 192.149.117.2551993/09/01RIPE NCC
192.149.119.0/24192.149.119.0 - 192.149.119.2551992/03/10RIPE NCC
192.149.120.0/24192.149.120.0 - 192.149.120.2551993/03/09RIPE NCC
192.149.121.0/24192.149.121.0 - 192.149.121.2551992/03/10RIPE NCC
192.149.238.0/24192.149.238.0 - 192.149.238.2551992/03/24RIPE NCC
192.150.89.0/24192.150.89.0 - 192.150.89.2551992/03/06RIPE NCC
192.150.92.0/24192.150.92.0 - 192.150.92.2551992/03/06RIPE NCC
192.150.106.0/24192.150.106.0 - 192.150.106.2551992/03/10RIPE NCC
192.150.140.0/24192.150.140.0 - 192.150.140.2551992/03/13RIPE NCC
192.150.177.0/24192.150.177.0 - 192.150.177.2551992/03/17RIPE NCC
192.150.178.0/24192.150.178.0 - 192.150.178.2551992/03/17RIPE NCC
192.150.179.0/24192.150.179.0 - 192.150.179.2551992/03/17RIPE NCC
192.150.180.0/24192.150.180.0 - 192.150.180.2551992/03/17RIPE NCC
192.150.181.0/24192.150.181.0 - 192.150.181.2551992/03/17RIPE NCC
192.150.182.0/24192.150.182.0 - 192.150.182.2551992/03/17RIPE NCC
192.150.183.0/24192.150.183.0 - 192.150.183.2551992/03/17RIPE NCC
192.150.184.0/24192.150.184.0 - 192.150.184.2551992/03/17RIPE NCC
192.150.198.0/24192.150.198.0 - 192.150.198.2551992/03/18RIPE NCC
192.150.204.0/24192.150.204.0 - 192.150.204.2551992/03/19RIPE NCC
192.150.208.0/24192.150.208.0 - 192.150.208.2551992/03/19RIPE NCC
192.150.227.0/24192.150.227.0 - 192.150.227.2551992/03/20RIPE NCC
192.150.228.0/24192.150.228.0 - 192.150.228.2551992/03/20RIPE NCC
192.150.229.0/24192.150.229.0 - 192.150.229.2551992/03/20RIPE NCC
192.150.230.0/24192.150.230.0 - 192.150.230.2551992/03/20RIPE NCC
192.150.231.0/24192.150.231.0 - 192.150.231.2551992/03/20RIPE NCC
192.150.232.0/24192.150.232.0 - 192.150.232.2551992/03/20RIPE NCC
192.150.233.0/24192.150.233.0 - 192.150.233.2551992/03/20RIPE NCC
192.150.248.0/24192.150.248.0 - 192.150.248.2551992/03/26RIPE NCC
192.152.14.0/24192.152.14.0 - 192.152.14.2551992/03/31RIPE NCC
192.152.17.0/24192.152.17.0 - 192.152.17.2551992/03/31RIPE NCC
192.152.44.0/24192.152.44.0 - 192.152.44.2551992/04/03RIPE NCC
192.152.48.0/24192.152.48.0 - 192.152.48.2551992/04/03RIPE NCC
192.152.61.0/24192.152.61.0 - 192.152.61.2551992/04/08RIPE NCC
192.152.62.0/24192.152.62.0 - 192.152.62.2551992/04/08RIPE NCC
192.152.112.0/24192.152.112.0 - 192.152.112.2551992/05/11RIPE NCC
192.152.122.0/24192.152.122.0 - 192.152.122.2551992/05/13RIPE NCC
192.152.156.0/24192.152.156.0 - 192.152.156.2551992/05/22RIPE NCC
192.152.184.0/24192.152.184.0 - 192.152.184.2551992/06/01RIPE NCC
192.152.185.0/24192.152.185.0 - 192.152.185.2551992/06/01RIPE NCC
192.152.186.0/24192.152.186.0 - 192.152.186.2551992/06/01RIPE NCC
192.152.187.0/24192.152.187.0 - 192.152.187.2551992/06/01RIPE NCC
192.152.241.0/24192.152.241.0 - 192.152.241.2551992/06/11RIPE NCC
192.152.244.0/24192.152.244.0 - 192.152.244.2551992/06/12RIPE NCC
192.152.253.0/24192.152.253.0 - 192.152.253.2551992/06/12RIPE NCC
192.153.2.0/24192.153.2.0 - 192.153.2.2551997/04/25RIPE NCC
192.153.3.0/24192.153.3.0 - 192.153.3.2551992/03/27RIPE NCC
192.153.60.0/22192.153.60.0 - 192.153.63.2551992/03/31RIPE NCC
192.153.153.0/24192.153.153.0 - 192.153.153.2551992/04/02RIPE NCC
192.153.166.0/24192.153.166.0 - 192.153.166.2551992/04/03RIPE NCC
192.153.189.0/24192.153.189.0 - 192.153.189.2551992/04/08RIPE NCC
192.153.213.0/24192.153.213.0 - 192.153.213.2551992/04/13RIPE NCC
192.156.162.0/24192.156.162.0 - 192.156.162.2551992/04/20RIPE NCC
192.156.167.0/24192.156.167.0 - 192.156.167.2551992/04/21RIPE NCC
192.156.169.0/24192.156.169.0 - 192.156.169.2551992/04/21ARIN
192.156.239.0/24192.156.239.0 - 192.156.239.2551992/05/18RIPE NCC
192.157.169.0/24192.157.169.0 - 192.157.169.2551995/02/14RIPE NCC
192.157.170.0/24192.157.170.0 - 192.157.170.2551995/02/14RIPE NCC
192.157.172.0/24192.157.172.0 - 192.157.172.2551995/02/14RIPE NCC
192.157.174.0/24192.157.174.0 - 192.157.174.2551995/02/14RIPE NCC
192.157.176.0/24192.157.176.0 - 192.157.176.2551995/02/14RIPE NCC
192.157.187.0/24192.157.187.0 - 192.157.187.2551995/02/14RIPE NCC
192.159.73.0/24192.159.73.0 - 192.159.73.2551992/04/28RIPE NCC
192.160.109.0/24192.160.109.0 - 192.160.109.2551992/05/18RIPE NCC
192.160.143.0/24192.160.143.0 - 192.160.143.2551992/05/22RIPE NCC
192.160.177.0/24192.160.177.0 - 192.160.177.2551992/06/02RIPE NCC
192.160.178.0/24192.160.178.0 - 192.160.178.2551992/06/02RIPE NCC
192.160.179.0/24192.160.179.0 - 192.160.179.2551992/06/02RIPE NCC
192.160.194.0/24192.160.194.0 - 192.160.194.2551992/06/03RIPE NCC
192.160.195.0/24192.160.195.0 - 192.160.195.2551992/06/08RIPE NCC
192.162.18.0/24192.162.18.0 - 192.162.18.2552011/03/25RIPE NCC
192.166.44.0/22192.166.44.0 - 192.166.47.2552018/09/07RIPE NCC
192.166.136.0/22192.166.136.0 - 192.166.139.2552011/03/10RIPE NCC
192.166.208.0/22192.166.208.0 - 192.166.211.2551992/05/07RIPE NCC
192.166.212.0/22192.166.212.0 - 192.166.215.2551992/05/07RIPE NCC
192.166.248.0/22192.166.248.0 - 192.166.251.2552018/04/23RIPE NCC
192.171.128.0/24192.171.128.0 - 192.171.128.2551992/05/08RIPE NCC
192.171.129.0/24192.171.129.0 - 192.171.129.2551992/05/08RIPE NCC
192.171.130.0/24192.171.130.0 - 192.171.130.2551992/05/08RIPE NCC
192.171.131.0/24192.171.131.0 - 192.171.131.2551992/05/08RIPE NCC
192.171.132.0/24192.171.132.0 - 192.171.132.2551992/05/08RIPE NCC
192.171.133.0/24192.171.133.0 - 192.171.133.2551992/05/08RIPE NCC
192.171.134.0/24192.171.134.0 - 192.171.134.2551992/06/08RIPE NCC
192.171.135.0/24192.171.135.0 - 192.171.135.2551992/06/08RIPE NCC
192.171.136.0/24192.171.136.0 - 192.171.136.2551992/06/08RIPE NCC
192.171.137.0/24192.171.137.0 - 192.171.137.2551992/06/08RIPE NCC
192.171.138.0/24192.171.138.0 - 192.171.138.2551992/06/08RIPE NCC
192.171.139.0/24192.171.139.0 - 192.171.139.2551992/06/08RIPE NCC
192.171.140.0/24192.171.140.0 - 192.171.140.2551992/06/08RIPE NCC
192.171.141.0/24192.171.141.0 - 192.171.141.2551992/06/08RIPE NCC
192.171.142.0/24192.171.142.0 - 192.171.142.2551992/06/08RIPE NCC
192.171.143.0/24192.171.143.0 - 192.171.143.2551992/06/08RIPE NCC
192.171.144.0/24192.171.144.0 - 192.171.144.2551992/06/08RIPE NCC
192.171.145.0/24192.171.145.0 - 192.171.145.2551992/06/08RIPE NCC
192.171.146.0/24192.171.146.0 - 192.171.146.2551992/05/08RIPE NCC
192.171.147.0/24192.171.147.0 - 192.171.147.2551992/06/08RIPE NCC
192.171.148.0/24192.171.148.0 - 192.171.148.2551992/06/08RIPE NCC
192.171.149.0/24192.171.149.0 - 192.171.149.2551992/06/08RIPE NCC
192.171.150.0/24192.171.150.0 - 192.171.150.2551992/06/08RIPE NCC
192.171.151.0/24192.171.151.0 - 192.171.151.2551992/06/08RIPE NCC
192.171.152.0/24192.171.152.0 - 192.171.152.2551992/06/08RIPE NCC
192.171.153.0/24192.171.153.0 - 192.171.153.2551992/06/08RIPE NCC
192.171.154.0/24192.171.154.0 - 192.171.154.2551992/06/08RIPE NCC
192.171.155.0/24192.171.155.0 - 192.171.155.2551992/06/08RIPE NCC
192.171.156.0/24192.171.156.0 - 192.171.156.2551992/06/08RIPE NCC
192.171.157.0/24192.171.157.0 - 192.171.157.2551992/06/08RIPE NCC
192.171.158.0/24192.171.158.0 - 192.171.158.2551992/06/08RIPE NCC
192.171.159.0/24192.171.159.0 - 192.171.159.2551992/06/08RIPE NCC
192.171.160.0/24192.171.160.0 - 192.171.160.2551992/06/08RIPE NCC
192.171.161.0/24192.171.161.0 - 192.171.161.2551992/06/08RIPE NCC
192.171.162.0/24192.171.162.0 - 192.171.162.2551992/06/08RIPE NCC
192.171.163.0/24192.171.163.0 - 192.171.163.2551992/06/08RIPE NCC
192.171.164.0/24192.171.164.0 - 192.171.164.2551992/06/08RIPE NCC
192.171.165.0/24192.171.165.0 - 192.171.165.2551992/06/08RIPE NCC
192.171.166.0/24192.171.166.0 - 192.171.166.2551992/06/08RIPE NCC
192.171.167.0/24192.171.167.0 - 192.171.167.2551992/06/08RIPE NCC
192.171.168.0/24192.171.168.0 - 192.171.168.2551992/06/08RIPE NCC
192.171.169.0/24192.171.169.0 - 192.171.169.2551992/06/08RIPE NCC
192.171.170.0/24192.171.170.0 - 192.171.170.2551992/06/08RIPE NCC
192.171.171.0/24192.171.171.0 - 192.171.171.2551992/06/08RIPE NCC
192.171.172.0/24192.171.172.0 - 192.171.172.2551992/06/08RIPE NCC
192.171.173.0/24192.171.173.0 - 192.171.173.2551992/06/08RIPE NCC
192.171.174.0/24192.171.174.0 - 192.171.174.2551992/06/08RIPE NCC
192.171.175.0/24192.171.175.0 - 192.171.175.2551992/06/08RIPE NCC
192.171.176.0/24192.171.176.0 - 192.171.176.2551992/06/08RIPE NCC
192.171.177.0/24192.171.177.0 - 192.171.177.2551992/06/08RIPE NCC
192.171.178.0/24192.171.178.0 - 192.171.178.2551992/06/08RIPE NCC
192.171.179.0/24192.171.179.0 - 192.171.179.2551992/06/08RIPE NCC
192.171.180.0/24192.171.180.0 - 192.171.180.2551992/06/08RIPE NCC
192.171.181.0/24192.171.181.0 - 192.171.181.2551992/06/08RIPE NCC
192.171.182.0/24192.171.182.0 - 192.171.182.2551992/06/08RIPE NCC
192.171.183.0/24192.171.183.0 - 192.171.183.2551992/06/08RIPE NCC
192.171.184.0/24192.171.184.0 - 192.171.184.2551992/06/08RIPE NCC
192.171.185.0/24192.171.185.0 - 192.171.185.2551992/06/08RIPE NCC
192.171.186.0/24192.171.186.0 - 192.171.186.2551992/06/08RIPE NCC
192.171.187.0/24192.171.187.0 - 192.171.187.2551992/06/08RIPE NCC
192.171.188.0/24192.171.188.0 - 192.171.188.2551992/06/08RIPE NCC
192.171.189.0/24192.171.189.0 - 192.171.189.2551992/06/08RIPE NCC
192.171.190.0/24192.171.190.0 - 192.171.190.2551992/06/08RIPE NCC
192.171.191.0/24192.171.191.0 - 192.171.191.2551992/06/08RIPE NCC
192.171.192.0/24192.171.192.0 - 192.171.192.2551992/06/08RIPE NCC
192.171.193.0/24192.171.193.0 - 192.171.193.2551992/06/08RIPE NCC
192.171.194.0/24192.171.194.0 - 192.171.194.2551992/06/08RIPE NCC
192.171.195.0/24192.171.195.0 - 192.171.195.2551992/06/08RIPE NCC
192.171.196.0/24192.171.196.0 - 192.171.196.2551992/06/08RIPE NCC
192.171.197.0/24192.171.197.0 - 192.171.197.2551992/06/08RIPE NCC
192.171.198.0/24192.171.198.0 - 192.171.198.2551992/06/08RIPE NCC
192.171.199.0/24192.171.199.0 - 192.171.199.2551992/06/08RIPE NCC
192.173.1.0/24192.173.1.0 - 192.173.1.2551992/05/21RIPE NCC
192.173.2.0/24192.173.2.0 - 192.173.2.2551992/05/21RIPE NCC
192.173.3.0/24192.173.3.0 - 192.173.3.2551992/05/21RIPE NCC
192.173.4.0/24192.173.4.0 - 192.173.4.2551992/05/21RIPE NCC
192.173.128.0/21192.173.128.0 - 192.173.135.2551992/06/19RIPE NCC
192.175.40.0/22192.175.40.0 - 192.175.43.2552012/01/05RIPE NCC
192.188.63.0/24192.188.63.0 - 192.188.63.2551992/06/23RIPE NCC
192.188.64.0/24192.188.64.0 - 192.188.64.2551992/06/23RIPE NCC
192.188.69.0/24192.188.69.0 - 192.188.69.2551992/06/24RIPE NCC
192.188.96.0/24192.188.96.0 - 192.188.96.2551992/06/24RIPE NCC
192.188.117.0/24192.188.117.0 - 192.188.117.2551992/06/30RIPE NCC
192.188.122.0/24192.188.122.0 - 192.188.122.2551992/07/01RIPE NCC
192.188.125.0/24192.188.125.0 - 192.188.125.2551992/07/07RIPE NCC
192.188.129.0/24192.188.129.0 - 192.188.129.2551992/07/08RIPE NCC
192.188.132.0/24192.188.132.0 - 192.188.132.2551992/07/08RIPE NCC
192.188.145.0/24192.188.145.0 - 192.188.145.2551992/07/13RIPE NCC
192.188.157.0/24192.188.157.0 - 192.188.157.2551992/07/15RIPE NCC
192.188.158.0/24192.188.158.0 - 192.188.158.2551992/07/15RIPE NCC
192.189.1.0/24192.189.1.0 - 192.189.1.2551992/06/15RIPE NCC
192.189.8.0/24192.189.8.0 - 192.189.8.2551992/06/17RIPE NCC
192.189.9.0/24192.189.9.0 - 192.189.9.2551992/06/17RIPE NCC
Merged CIDR

連続した割り振りブロックを統合したリストです。

801-1000 of 7824 rows
CIDR
51.62.0.0/15
51.64.0.0/14
51.71.0.0/16
51.103.0.0/16
51.104.0.0/14
51.109.0.0/16
51.111.0.0/16
51.115.0.0/16
51.116.0.0/16
51.120.0.0/16
51.124.0.0/16
51.126.0.0/16
51.130.0.0/16
51.132.0.0/15
51.135.0.0/16
51.136.0.0/15
51.138.0.0/16
51.140.0.0/14
51.144.0.0/14
51.148.0.0/15
51.155.0.0/16
51.162.128.0/17
51.163.0.0/17
51.163.128.0/19
51.179.128.0/19
51.179.160.0/20
51.179.176.0/24
51.179.178.0/23
51.179.180.0/22
51.179.184.0/21
51.179.192.0/18
51.182.0.0/15
51.186.0.0/15
51.190.0.0/15
51.194.0.0/16
51.198.0.0/15
51.219.0.0/16
51.230.0.0/15
51.234.0.0/16
51.238.0.0/15
51.241.0.0/16
51.242.0.0/15
51.246.0.0/15
51.251.0.0/16
54.15.0.0/16
54.18.0.0/16
54.27.0.0/16
54.29.0.0/16
54.104.0.0/16
54.119.0.0/16
54.128.0.0/16
54.133.0.0/16
54.135.0.0/16
54.139.0.0/16
57.13.0.0/16
57.16.0.0/14
57.27.0.0/16
57.33.0.0/16
57.36.0.0/16
57.41.0.0/16
57.42.0.0/15
57.44.0.0/15
57.46.0.0/16
57.49.0.0/16
57.50.0.0/16
57.52.0.0/16
57.54.0.0/15
57.61.0.0/16
57.62.0.0/15
57.133.0.0/16
57.150.0.0/15
57.152.0.0/13
57.160.0.0/12
57.184.0.0/15
57.192.0.0/16
57.226.0.0/16
57.239.0.0/16
57.240.0.0/16
57.243.0.0/16
57.244.0.0/16
58.0.0.0/16
58.1.128.0/17
62.3.13.0/24
62.3.24.0/24
62.3.52.0/24
62.3.64.0/18
62.3.192.0/18
62.5.0.0/17
62.6.0.0/15
62.8.96.0/19
62.10.0.0/15
62.12.56.0/21
62.13.128.0/19
62.23.0.0/16
62.24.128.0/17
62.25.64.0/18
62.25.128.0/17
62.30.0.0/15
62.44.64.0/19
62.49.0.0/16
62.56.0.0/17
62.56.176.0/20
62.60.0.0/17
62.64.128.0/17
62.67.0.0/16
62.68.95.0/24
62.68.160.0/19
62.69.32.0/19
62.69.64.0/18
62.72.96.0/19
62.72.128.0/19
62.73.128.0/18
62.77.0.0/19
62.80.64.0/19
62.84.192.0/19
62.89.128.0/19
62.93.128.0/19
62.96.0.0/16
62.97.64.0/18
62.100.160.0/19
62.100.204.0/22
62.102.0.0/17
62.105.64.0/18
62.105.160.0/19
62.106.78.0/24
62.106.85.0/24
62.112.128.0/19
62.121.0.0/19
62.128.128.0/19
62.128.192.0/19
62.130.0.0/16
62.133.0.0/19
62.133.48.0/22
62.134.0.0/16
62.136.0.0/15
62.140.0.0/19
62.140.192.0/19
62.145.64.0/18
62.149.32.0/19
62.152.96.0/19
62.164.130.0/23
62.164.132.0/22
62.164.136.0/21
62.164.145.0/24
62.164.146.0/23
62.164.152.0/24
62.164.168.0/23
62.164.171.0/24
62.164.172.0/22
62.164.176.0/24
62.164.178.0/23
62.164.180.0/24
62.164.183.0/24
62.164.184.0/24
62.164.186.0/23
62.164.188.0/22
62.164.196.0/24
62.164.198.0/23
62.169.148.0/22
62.169.154.0/24
62.169.157.0/24
62.169.158.0/23
62.171.192.0/18
62.172.0.0/16
62.173.64.0/18
62.173.192.0/18
62.180.0.0/16
62.182.16.0/21
62.182.96.0/22
62.189.0.0/16
62.190.0.0/16
62.192.0.0/19
62.192.128.0/22
62.192.184.0/22
62.197.32.0/19
62.197.132.0/22
62.204.54.0/24
62.204.56.0/24
62.204.63.0/24
62.208.0.0/16
62.216.128.0/19
62.221.0.0/19
62.231.128.0/19
62.232.0.0/16
62.233.50.0/24
62.233.55.0/24
62.233.64.0/18
62.239.0.0/16
62.241.160.0/19
62.244.160.0/19
62.249.192.0/18
62.252.0.0/14
63.135.72.0/21
64.38.96.0/21
64.38.104.0/22
64.52.19.0/24
64.52.164.0/22
64.137.0.0/17
64.207.0.0/18
64.236.0.0/16