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133,139,336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3.09989%、予約領域を除くと3.59617%です。


2201-2400 of 8610 rows
CIDRIPアドレス割り振り日レジストリ
91.197.228.0/2291.197.228.0 - 91.197.231.2552007/09/18RIPE NCC
91.198.3.0/2491.198.3.0 - 91.198.3.2552007/06/18RIPE NCC
91.198.9.0/2491.198.9.0 - 91.198.9.2552007/06/21RIPE NCC
91.198.13.0/2491.198.13.0 - 91.198.13.2552007/06/22RIPE NCC
91.198.24.0/2491.198.24.0 - 91.198.24.2552007/06/27RIPE NCC
91.198.29.0/2491.198.29.0 - 91.198.29.2552007/07/02RIPE NCC
91.198.40.0/2491.198.40.0 - 91.198.40.2552023/09/27RIPE NCC
91.198.81.0/2491.198.81.0 - 91.198.81.2552007/09/03RIPE NCC
91.198.99.0/2491.198.99.0 - 91.198.99.2552010/04/01RIPE NCC
91.198.107.0/2491.198.107.0 - 91.198.107.2552007/09/12RIPE NCC
91.198.117.0/2491.198.117.0 - 91.198.117.2552007/09/17RIPE NCC
91.198.180.0/2491.198.180.0 - 91.198.180.2552007/10/03RIPE NCC
91.198.241.0/2491.198.241.0 - 91.198.241.2552023/06/05RIPE NCC
91.198.255.0/2491.198.255.0 - 91.198.255.2552007/11/06RIPE NCC
91.199.1.0/2491.199.1.0 - 91.199.1.2552007/11/06RIPE NCC
91.199.19.0/2491.199.19.0 - 91.199.19.2552007/11/12RIPE NCC
91.199.24.0/2491.199.24.0 - 91.199.24.2552012/05/03RIPE NCC
91.199.71.0/2491.199.71.0 - 91.199.71.2552007/12/13RIPE NCC
91.199.78.0/2491.199.78.0 - 91.199.78.2552007/12/21RIPE NCC
91.199.118.0/2491.199.118.0 - 91.199.118.2552019/11/12RIPE NCC
91.199.125.0/2491.199.125.0 - 91.199.125.2552008/01/21RIPE NCC
91.199.129.0/2491.199.129.0 - 91.199.129.2552008/01/23RIPE NCC
91.199.130.0/2491.199.130.0 - 91.199.130.2552008/01/23RIPE NCC
91.199.136.0/2491.199.136.0 - 91.199.136.2552008/01/24RIPE NCC
91.199.151.0/2491.199.151.0 - 91.199.151.2552008/01/29RIPE NCC
91.199.157.0/2491.199.157.0 - 91.199.157.2552012/04/19RIPE NCC
91.199.159.0/2491.199.159.0 - 91.199.159.2552008/01/31RIPE NCC
91.199.180.0/2491.199.180.0 - 91.199.180.2552008/02/11RIPE NCC
91.199.181.0/2491.199.181.0 - 91.199.181.2552008/02/11RIPE NCC
91.199.183.0/2491.199.183.0 - 91.199.183.2552008/02/11RIPE NCC
91.199.212.0/2491.199.212.0 - 91.199.212.2552008/02/22RIPE NCC
91.199.249.0/2491.199.249.0 - 91.199.249.2552008/03/12RIPE NCC
91.199.252.0/2491.199.252.0 - 91.199.252.2552008/03/13RIPE NCC
91.200.61.0/2491.200.61.0 - 91.200.61.2552012/07/25RIPE NCC
91.200.88.0/2291.200.88.0 - 91.200.91.2552018/04/18RIPE NCC
91.200.147.0/2491.200.147.0 - 91.200.147.2552022/02/14RIPE NCC
91.201.105.0/2491.201.105.0 - 91.201.105.2552020/05/25RIPE NCC
91.201.160.0/2291.201.160.0 - 91.201.163.2552007/12/19RIPE NCC
91.201.198.0/2491.201.198.0 - 91.201.198.2552020/05/25RIPE NCC
91.202.28.0/2291.202.28.0 - 91.202.31.2552018/04/19RIPE NCC
91.202.136.0/2291.202.136.0 - 91.202.139.2552008/02/19RIPE NCC
91.202.224.0/2291.202.224.0 - 91.202.227.2552008/03/03RIPE NCC
91.202.236.0/2291.202.236.0 - 91.202.239.2552008/03/03RIPE NCC
91.203.56.0/2291.203.56.0 - 91.203.59.2552008/03/25RIPE NCC
91.203.72.0/2291.203.72.0 - 91.203.75.2552008/04/01RIPE NCC
91.204.40.0/2291.204.40.0 - 91.204.43.2552018/06/26RIPE NCC
91.204.80.0/2491.204.80.0 - 91.204.80.2552008/06/04RIPE NCC
91.204.172.0/2291.204.172.0 - 91.204.175.2552008/06/24RIPE NCC
91.204.208.0/2291.204.208.0 - 91.204.211.2552008/07/07RIPE NCC
91.204.244.0/2291.204.244.0 - 91.204.247.2552008/07/23RIPE NCC
91.205.96.0/2291.205.96.0 - 91.205.99.2552008/08/29RIPE NCC
91.205.108.0/2291.205.108.0 - 91.205.111.2552018/06/26RIPE NCC
91.205.125.0/2491.205.125.0 - 91.205.125.2552020/04/30RIPE NCC
91.205.228.0/2491.205.228.0 - 91.205.228.2552020/05/27RIPE NCC
91.205.248.0/2291.205.248.0 - 91.205.251.2552008/10/03RIPE NCC
91.206.0.0/2391.206.0.0 - 91.206.1.2552008/06/04RIPE NCC
91.206.28.0/2491.206.28.0 - 91.206.28.2552023/06/26RIPE NCC
91.206.48.0/2391.206.48.0 - 91.206.49.2552019/10/03RIPE NCC
91.206.59.0/2491.206.59.0 - 91.206.59.2552008/06/18RIPE NCC
91.206.64.0/2391.206.64.0 - 91.206.65.2552019/10/03RIPE NCC
91.206.118.0/2391.206.118.0 - 91.206.119.2552008/07/15RIPE NCC
91.206.182.0/2391.206.182.0 - 91.206.183.2552008/08/07RIPE NCC
91.206.234.0/2391.206.234.0 - 91.206.235.2552008/08/28RIPE NCC
91.207.36.0/2391.207.36.0 - 91.207.37.2552008/09/23RIPE NCC
91.207.38.0/2391.207.38.0 - 91.207.39.2552008/09/23RIPE NCC
91.207.50.0/2391.207.50.0 - 91.207.51.2552008/09/26RIPE NCC
91.207.56.0/2391.207.56.0 - 91.207.57.2552008/09/29RIPE NCC
91.207.110.0/2391.207.110.0 - 91.207.111.2552011/01/12RIPE NCC
91.207.152.0/2391.207.152.0 - 91.207.153.2552008/10/24RIPE NCC
91.207.192.0/2391.207.192.0 - 91.207.193.2552012/08/10RIPE NCC
91.207.204.0/2491.207.204.0 - 91.207.204.2552021/06/01RIPE NCC
91.207.206.0/2491.207.206.0 - 91.207.206.2552022/09/12RIPE NCC
91.207.220.0/2391.207.220.0 - 91.207.221.2552008/11/13RIPE NCC
91.207.248.0/2491.207.248.0 - 91.207.248.2552022/08/23RIPE NCC
91.208.1.0/2491.208.1.0 - 91.208.1.2552008/06/25RIPE NCC
91.208.3.0/2491.208.3.0 - 91.208.3.2552008/06/25RIPE NCC
91.208.11.0/2491.208.11.0 - 91.208.11.2552008/07/01RIPE NCC
91.208.28.0/2491.208.28.0 - 91.208.28.2552008/07/07RIPE NCC
91.208.53.0/2491.208.53.0 - 91.208.53.2552008/07/14RIPE NCC
91.208.66.0/2491.208.66.0 - 91.208.66.2552012/08/13RIPE NCC
91.208.92.0/2491.208.92.0 - 91.208.92.2552008/07/30RIPE NCC
91.208.95.0/2491.208.95.0 - 91.208.95.2552008/07/31RIPE NCC
91.208.105.0/2491.208.105.0 - 91.208.105.2552008/08/04RIPE NCC
91.208.111.0/2491.208.111.0 - 91.208.111.2552008/08/07RIPE NCC
91.208.114.0/2491.208.114.0 - 91.208.114.2552008/08/07RIPE NCC
91.208.117.0/2491.208.117.0 - 91.208.117.2552008/08/08RIPE NCC
91.208.122.0/2491.208.122.0 - 91.208.122.2552008/08/08RIPE NCC
91.208.124.0/2491.208.124.0 - 91.208.124.2552008/08/11RIPE NCC
91.208.141.0/2491.208.141.0 - 91.208.141.2552008/08/14RIPE NCC
91.208.146.0/2491.208.146.0 - 91.208.146.2552009/09/15RIPE NCC
91.208.170.0/2491.208.170.0 - 91.208.170.2552008/08/27RIPE NCC
91.208.219.0/2491.208.219.0 - 91.208.219.2552008/09/22RIPE NCC
91.208.239.0/2491.208.239.0 - 91.208.239.2552008/09/26RIPE NCC
91.208.242.0/2491.208.242.0 - 91.208.242.2552008/09/26RIPE NCC
91.208.252.0/2491.208.252.0 - 91.208.252.2552008/10/01RIPE NCC
91.209.34.0/2491.209.34.0 - 91.209.34.2552008/10/17RIPE NCC
91.209.37.0/2491.209.37.0 - 91.209.37.2552008/10/23RIPE NCC
91.209.60.0/2491.209.60.0 - 91.209.60.2552012/02/20RIPE NCC
91.209.68.0/2491.209.68.0 - 91.209.68.2552019/11/07RIPE NCC
91.209.82.0/2491.209.82.0 - 91.209.82.2552008/11/03RIPE NCC
91.209.86.0/2491.209.86.0 - 91.209.86.2552008/11/05RIPE NCC
91.209.90.0/2491.209.90.0 - 91.209.90.2552019/11/07RIPE NCC
91.209.99.0/2491.209.99.0 - 91.209.99.2552019/11/07RIPE NCC
91.209.100.0/2491.209.100.0 - 91.209.100.2552019/11/07RIPE NCC
91.209.125.0/2491.209.125.0 - 91.209.125.2552008/11/17RIPE NCC
91.209.142.0/2491.209.142.0 - 91.209.142.2552012/08/08RIPE NCC
91.209.144.0/2491.209.144.0 - 91.209.144.2552008/11/20RIPE NCC
91.209.178.0/2491.209.178.0 - 91.209.178.2552008/12/04RIPE NCC
91.209.187.0/2491.209.187.0 - 91.209.187.2552008/12/10RIPE NCC
91.209.196.0/2491.209.196.0 - 91.209.196.2552008/12/15RIPE NCC
91.209.200.0/2491.209.200.0 - 91.209.200.2552008/12/15RIPE NCC
91.209.217.0/2491.209.217.0 - 91.209.217.2552008/12/18RIPE NCC
91.209.223.0/2491.209.223.0 - 91.209.223.2552010/03/31RIPE NCC
91.209.244.0/2491.209.244.0 - 91.209.244.2552008/12/31RIPE NCC
91.209.246.0/2491.209.246.0 - 91.209.246.2552008/12/31RIPE NCC
91.209.252.0/2491.209.252.0 - 91.209.252.2552009/01/06RIPE NCC
91.210.64.0/2291.210.64.0 - 91.210.67.2552011/08/12RIPE NCC
91.210.100.0/2291.210.100.0 - 91.210.103.2552018/04/20RIPE NCC
91.211.0.0/2491.211.0.0 - 91.211.0.2552020/06/30RIPE NCC
91.211.3.0/2491.211.3.0 - 91.211.3.2552020/07/02RIPE NCC
91.211.85.0/2491.211.85.0 - 91.211.85.2552023/10/19RIPE NCC
91.211.114.0/2491.211.114.0 - 91.211.114.2552023/01/23RIPE NCC
91.211.152.0/2291.211.152.0 - 91.211.155.2552018/04/20RIPE NCC
91.211.202.0/2391.211.202.0 - 91.211.203.2552009/01/02RIPE NCC
91.212.12.0/2491.212.12.0 - 91.212.12.2552009/01/28RIPE NCC
91.212.18.0/2491.212.18.0 - 91.212.18.2552009/01/29RIPE NCC
91.212.79.0/2491.212.79.0 - 91.212.79.2552024/09/10RIPE NCC
91.212.90.0/2491.212.90.0 - 91.212.90.2552009/03/16RIPE NCC
91.212.94.0/2491.212.94.0 - 91.212.94.2552009/03/18RIPE NCC
91.212.105.0/2491.212.105.0 - 91.212.105.2552009/03/30RIPE NCC
91.212.108.0/2491.212.108.0 - 91.212.108.2552009/03/31RIPE NCC
91.212.115.0/2491.212.115.0 - 91.212.115.2552009/04/03RIPE NCC
91.212.131.0/2491.212.131.0 - 91.212.131.2552009/04/08RIPE NCC
91.212.138.0/2491.212.138.0 - 91.212.138.2552009/04/14RIPE NCC
91.212.182.0/2491.212.182.0 - 91.212.182.2552009/05/04RIPE NCC
91.212.210.0/2491.212.210.0 - 91.212.210.2552009/05/15RIPE NCC
91.212.212.0/2491.212.212.0 - 91.212.212.2552009/05/18RIPE NCC
91.213.8.0/2491.213.8.0 - 91.213.8.2552009/06/11RIPE NCC
91.213.28.0/2491.213.28.0 - 91.213.28.2552009/06/22RIPE NCC
91.213.42.0/2491.213.42.0 - 91.213.42.2552009/07/02RIPE NCC
91.213.45.0/2491.213.45.0 - 91.213.45.2552009/07/06RIPE NCC
91.213.63.0/2491.213.63.0 - 91.213.63.2552009/07/14RIPE NCC
91.213.110.0/2491.213.110.0 - 91.213.110.2552009/07/31RIPE NCC
91.213.140.0/2491.213.140.0 - 91.213.140.2552009/08/10RIPE NCC
91.213.164.0/2491.213.164.0 - 91.213.164.2552009/08/18RIPE NCC
91.213.183.0/2491.213.183.0 - 91.213.183.2552009/08/25RIPE NCC
91.213.199.0/2491.213.199.0 - 91.213.199.2552009/09/01RIPE NCC
91.213.208.0/2491.213.208.0 - 91.213.208.2552019/11/08RIPE NCC
91.213.212.0/2491.213.212.0 - 91.213.212.2552009/09/08RIPE NCC
91.213.215.0/2491.213.215.0 - 91.213.215.2552019/11/08RIPE NCC
91.213.216.0/2491.213.216.0 - 91.213.216.2552009/09/14RIPE NCC
91.213.217.0/2491.213.217.0 - 91.213.217.2552019/11/08RIPE NCC
91.213.220.0/2491.213.220.0 - 91.213.220.2552019/11/08RIPE NCC
91.213.225.0/2491.213.225.0 - 91.213.225.2552012/06/25RIPE NCC
91.214.4.0/2291.214.4.0 - 91.214.7.2552009/05/06RIPE NCC
91.214.228.0/2291.214.228.0 - 91.214.231.2552009/07/02RIPE NCC
91.215.86.0/2391.215.86.0 - 91.215.87.2552009/07/21RIPE NCC
91.215.164.0/2291.215.164.0 - 91.215.167.2552009/08/21RIPE NCC
91.215.180.0/2291.215.180.0 - 91.215.183.2552009/08/24RIPE NCC
91.215.184.0/2291.215.184.0 - 91.215.187.2552009/08/25RIPE NCC
91.216.9.0/2491.216.9.0 - 91.216.9.2552010/04/15RIPE NCC
91.216.18.0/2491.216.18.0 - 91.216.18.2552010/04/16RIPE NCC
91.216.42.0/2491.216.42.0 - 91.216.42.2552010/04/23RIPE NCC
91.216.55.0/2491.216.55.0 - 91.216.55.2552010/04/29RIPE NCC
91.216.82.0/2491.216.82.0 - 91.216.82.2552010/05/12RIPE NCC
91.216.88.0/2491.216.88.0 - 91.216.88.2552010/05/12RIPE NCC
91.216.89.0/2491.216.89.0 - 91.216.89.2552010/05/14RIPE NCC
91.216.93.0/2491.216.93.0 - 91.216.93.2552010/05/14RIPE NCC
91.216.104.0/2491.216.104.0 - 91.216.104.2552023/06/26RIPE NCC
91.216.116.0/2491.216.116.0 - 91.216.116.2552010/05/21RIPE NCC
91.216.137.0/2491.216.137.0 - 91.216.137.2552010/05/28RIPE NCC
91.216.143.0/2491.216.143.0 - 91.216.143.2552010/05/28RIPE NCC
91.216.159.0/2491.216.159.0 - 91.216.159.2552010/06/03RIPE NCC
91.216.181.0/2491.216.181.0 - 91.216.181.2552010/06/11RIPE NCC
91.216.183.0/2491.216.183.0 - 91.216.183.2552010/06/11RIPE NCC
91.216.193.0/2491.216.193.0 - 91.216.193.2552010/06/16RIPE NCC
91.216.220.0/2491.216.220.0 - 91.216.220.2552010/06/25RIPE NCC
91.216.246.0/2491.216.246.0 - 91.216.246.2552010/07/07RIPE NCC
91.217.84.0/2391.217.84.0 - 91.217.85.2552010/09/13RIPE NCC
91.217.120.0/2391.217.120.0 - 91.217.121.2552019/10/03RIPE NCC
91.217.191.0/2491.217.191.0 - 91.217.191.2552020/10/21RIPE NCC
91.217.211.0/2491.217.211.0 - 91.217.211.2552023/02/20RIPE NCC
91.217.216.0/2491.217.216.0 - 91.217.216.2552010/09/14RIPE NCC
91.217.231.0/2491.217.231.0 - 91.217.231.2552010/09/17RIPE NCC
91.217.237.0/2491.217.237.0 - 91.217.237.2552010/09/21RIPE NCC
91.217.245.0/2491.217.245.0 - 91.217.245.2552010/09/23RIPE NCC
91.218.39.0/2491.218.39.0 - 91.218.39.2552020/06/02RIPE NCC
91.218.58.0/2491.218.58.0 - 91.218.58.2552020/06/04RIPE NCC
91.218.236.0/2291.218.236.0 - 91.218.239.2552010/08/20RIPE NCC
91.219.20.0/2491.219.20.0 - 91.219.20.2552021/03/31RIPE NCC
91.219.40.0/2291.219.40.0 - 91.219.43.2552010/09/15RIPE NCC
91.220.24.0/2491.220.24.0 - 91.220.24.2552010/10/14RIPE NCC
91.220.25.0/2491.220.25.0 - 91.220.25.2552022/10/03RIPE NCC
91.220.42.0/2491.220.42.0 - 91.220.42.2552010/10/19RIPE NCC
91.220.52.0/2491.220.52.0 - 91.220.52.2552010/10/19RIPE NCC
91.220.115.0/2491.220.115.0 - 91.220.115.2552020/09/14RIPE NCC
91.220.118.0/2491.220.118.0 - 91.220.118.2552010/11/08RIPE NCC
91.220.127.0/2491.220.127.0 - 91.220.127.2552010/11/10RIPE NCC
91.220.132.0/2491.220.132.0 - 91.220.132.2552010/11/11RIPE NCC
91.220.141.0/2491.220.141.0 - 91.220.141.2552010/11/12RIPE 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。

1-200 of 7587 rows
CIDR
1.186.0.0/16
2.24.0.0/13
2.56.84.0/22
2.56.188.0/22
2.56.196.0/22
2.57.44.0/22
2.57.196.0/22
2.57.200.0/22
2.57.237.0/24
2.58.4.0/22
2.58.152.0/22
2.58.160.0/22
2.58.192.0/22
2.59.24.0/22
2.59.200.0/22
2.96.0.0/13
2.120.0.0/13
2.216.0.0/13
5.1.45.0/24
5.2.16.0/21
5.2.96.0/19
5.10.16.0/20
5.10.136.0/21
5.10.144.0/20
5.11.8.0/21
5.11.16.0/20
5.11.88.0/21
5.22.136.0/21
5.22.224.0/21
5.28.48.0/20
5.32.152.0/21
5.39.176.0/21
5.39.248.0/21
5.44.16.0/20
5.44.224.0/20
5.45.16.0/20
5.45.48.0/21
5.45.64.0/19
5.53.64.0/19
5.56.48.0/21
5.56.168.0/21
5.57.56.0/21
5.57.80.0/20
5.61.32.0/19
5.61.72.0/21
5.61.120.0/21
5.62.0.0/18
5.63.18.0/24
5.64.0.0/13
5.77.32.0/19
5.79.0.0/18
5.80.0.0/15
5.83.8.0/21
5.83.96.0/21
5.83.192.0/19
5.100.168.0/21
5.101.136.0/21
5.101.144.0/21
5.101.168.0/21
5.102.80.0/20
5.102.168.0/21
5.102.184.0/21
5.133.16.0/21
5.133.40.0/21
5.133.72.0/22
5.133.80.0/22
5.133.88.0/22
5.133.168.0/21
5.133.176.0/20
5.133.240.0/21
5.134.8.0/21
5.144.80.0/20
5.144.152.0/21
5.144.176.0/21
5.145.178.0/23
5.148.0.0/17
5.148.128.0/19
5.149.8.0/21
5.150.0.0/17
5.150.160.0/19
5.151.0.0/16
5.152.192.0/19
5.153.64.0/19
5.153.96.0/21
5.153.192.0/19
5.153.224.0/21
5.153.248.0/21
5.154.128.0/19
5.154.182.0/23
5.154.184.0/24
5.154.188.0/23
5.154.232.0/24
5.154.242.0/24
5.157.64.0/21
5.158.88.0/21
5.158.208.0/21
5.158.224.0/21
5.159.120.0/21
5.159.196.0/22
5.159.200.0/21
5.159.208.0/21
5.159.224.0/21
5.172.48.0/20
5.172.152.0/21
5.172.160.0/20
5.172.183.0/24
5.175.56.0/21
5.178.96.0/20
5.179.72.0/21
5.179.96.0/20
5.180.96.0/22
5.180.188.0/22
5.180.208.0/21
5.181.4.0/22
5.181.20.0/22
5.181.52.0/24
5.181.56.0/22
5.181.72.0/22
5.181.104.0/22
5.181.136.0/22
5.182.8.0/22
5.182.76.0/22
5.182.220.0/22
5.183.44.0/22
5.183.60.0/22
5.183.112.0/22
5.183.176.0/22
5.187.16.0/20
5.198.0.0/17
5.198.136.0/21
5.199.0.0/17
5.226.56.0/21
5.226.136.0/21
5.226.176.0/21
5.252.36.0/22
5.252.156.0/22
5.252.208.0/22
5.252.220.0/22
5.253.104.0/21
5.253.112.0/22
5.253.168.0/22
5.253.224.0/24
5.253.252.0/22
5.254.0.0/17
5.254.160.0/21
5.255.48.0/21
5.255.58.0/23
5.255.60.0/24
5.255.136.0/21
9.135.0.0/16
9.141.0.0/16
9.145.0.0/16
9.146.0.0/16
9.149.0.0/16
9.160.0.0/16
9.163.0.0/16
9.164.0.0/16
9.166.0.0/15
9.169.0.0/16
9.177.0.0/16
9.185.0.0/16
9.205.0.0/16
9.220.0.0/16
9.223.0.0/16
9.228.0.0/15
9.231.0.0/16
9.234.0.0/15
9.248.0.0/16
13.117.0.0/16
13.118.0.0/15
13.123.0.0/16
13.240.0.0/16
23.19.56.0/21
23.90.64.0/22
23.106.32.0/21
23.106.56.0/21
23.106.232.0/21
23.146.248.0/24
25.0.0.0/8
27.121.104.0/22
31.3.64.0/21
31.3.208.0/20
31.3.224.0/19
31.6.72.0/21
31.7.8.0/21
31.10.32.0/20
31.11.56.0/21
31.12.96.0/19
31.13.0.0/21
31.13.152.0/21
31.14.31.0/24
31.14.36.0/22
31.14.65.0/24
31.14.66.0/23
31.14.102.0/24
31.14.216.0/23
31.14.248.0/22
31.14.254.0/24
31.15.104.0/21
31.22.0.0/21