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。


2401-2600 of 8610 rows
CIDRIPアドレス割り振り日レジストリ
91.220.160.0/2491.220.160.0 - 91.220.160.2552010/11/19RIPE NCC
91.220.175.0/2491.220.175.0 - 91.220.175.2552010/11/25RIPE NCC
91.220.178.0/2491.220.178.0 - 91.220.178.2552010/11/25RIPE NCC
91.220.180.0/2491.220.180.0 - 91.220.180.2552010/11/26RIPE NCC
91.220.199.0/2491.220.199.0 - 91.220.199.2552010/12/03RIPE NCC
91.220.202.0/2391.220.202.0 - 91.220.203.2552019/10/03RIPE NCC
91.220.212.0/2491.220.212.0 - 91.220.212.2552010/12/07RIPE NCC
91.220.214.0/2491.220.214.0 - 91.220.214.2552010/12/07RIPE NCC
91.220.234.0/2491.220.234.0 - 91.220.234.2552010/12/13RIPE NCC
91.221.54.0/2391.221.54.0 - 91.221.55.2552010/10/27RIPE NCC
91.221.99.0/2491.221.99.0 - 91.221.99.2552012/04/24RIPE NCC
91.221.152.0/2391.221.152.0 - 91.221.153.2552010/12/03RIPE NCC
91.221.168.0/2391.221.168.0 - 91.221.169.2552010/12/09RIPE NCC
91.222.132.0/2291.222.132.0 - 91.222.135.2552010/12/14RIPE NCC
91.223.10.0/2491.223.10.0 - 91.223.10.2552016/05/06RIPE NCC
91.223.46.0/2491.223.46.0 - 91.223.46.2552011/01/26RIPE NCC
91.223.58.0/2491.223.58.0 - 91.223.58.2552011/01/28RIPE NCC
91.223.111.0/2491.223.111.0 - 91.223.111.2552011/02/10RIPE NCC
91.223.178.0/2491.223.178.0 - 91.223.178.2552011/03/02RIPE NCC
91.223.203.0/2491.223.203.0 - 91.223.203.2552011/03/08RIPE NCC
91.223.218.0/2491.223.218.0 - 91.223.218.2552011/03/11RIPE NCC
91.223.255.0/2491.223.255.0 - 91.223.255.2552011/03/22RIPE NCC
91.224.26.0/2391.224.26.0 - 91.224.27.2552011/01/26RIPE NCC
91.224.92.0/2391.224.92.0 - 91.224.93.2552011/02/08RIPE NCC
91.224.108.0/2391.224.108.0 - 91.224.109.2552011/02/09RIPE NCC
91.224.152.0/2391.224.152.0 - 91.224.153.2552011/02/18RIPE NCC
91.224.190.0/2391.224.190.0 - 91.224.191.2552011/03/01RIPE NCC
91.225.16.0/2291.225.16.0 - 91.225.19.2552011/01/26RIPE NCC
91.225.126.0/2491.225.126.0 - 91.225.126.2552011/02/09RIPE NCC
91.226.24.0/2391.226.24.0 - 91.226.25.2552011/04/07RIPE NCC
91.226.84.0/2291.226.84.0 - 91.226.87.2552018/04/20RIPE NCC
91.226.100.0/2291.226.100.0 - 91.226.103.2552011/04/19RIPE NCC
91.226.181.0/2491.226.181.0 - 91.226.181.2552011/08/05RIPE NCC
91.226.206.0/2491.226.206.0 - 91.226.206.2552011/08/08RIPE NCC
91.227.26.0/2491.227.26.0 - 91.227.26.2552011/05/03RIPE NCC
91.227.77.0/2491.227.77.0 - 91.227.77.2552023/02/20RIPE NCC
91.227.78.0/2491.227.78.0 - 91.227.78.2552011/05/09RIPE NCC
91.227.124.0/2291.227.124.0 - 91.227.127.2552011/08/22RIPE NCC
91.227.178.0/2491.227.178.0 - 91.227.178.2552011/05/17RIPE NCC
91.227.220.0/2291.227.220.0 - 91.227.223.2552011/05/18RIPE NCC
91.227.245.0/2491.227.245.0 - 91.227.245.2552011/05/19RIPE NCC
91.228.0.0/2291.228.0.0 - 91.228.3.2552011/05/19RIPE NCC
91.228.4.0/2291.228.4.0 - 91.228.7.2552011/05/19RIPE NCC
91.228.68.0/2291.228.68.0 - 91.228.71.2552011/05/25RIPE NCC
91.228.72.0/2291.228.72.0 - 91.228.75.2552011/05/25RIPE NCC
91.228.78.0/2391.228.78.0 - 91.228.79.2552011/05/25RIPE NCC
91.228.115.0/2491.228.115.0 - 91.228.115.2552011/05/27RIPE NCC
91.228.186.0/2491.228.186.0 - 91.228.186.2552023/05/30RIPE NCC
91.228.232.0/2391.228.232.0 - 91.228.233.2552011/06/09RIPE NCC
91.228.234.0/2491.228.234.0 - 91.228.234.2552011/06/09RIPE NCC
91.228.242.0/2491.228.242.0 - 91.228.242.2552011/08/09RIPE NCC
91.229.4.0/2491.229.4.0 - 91.229.4.2552011/06/10RIPE NCC
91.229.92.0/2491.229.92.0 - 91.229.92.2552011/06/17RIPE NCC
91.229.124.0/2291.229.124.0 - 91.229.127.2552011/06/20RIPE NCC
91.229.166.0/2491.229.166.0 - 91.229.166.2552011/06/21RIPE NCC
91.229.173.0/2491.229.173.0 - 91.229.173.2552011/06/23RIPE NCC
91.229.174.0/2391.229.174.0 - 91.229.175.2552011/06/22RIPE NCC
91.229.180.0/2491.229.180.0 - 91.229.180.2552023/05/31RIPE NCC
91.229.187.0/2491.229.187.0 - 91.229.187.2552011/06/23RIPE NCC
91.229.201.0/2491.229.201.0 - 91.229.201.2552024/11/18RIPE NCC
91.229.222.0/2391.229.222.0 - 91.229.223.2552011/06/27RIPE NCC
91.230.16.0/2491.230.16.0 - 91.230.16.2552011/06/30RIPE NCC
91.230.73.0/2491.230.73.0 - 91.230.73.2552022/10/31RIPE NCC
91.230.80.0/2491.230.80.0 - 91.230.80.2552020/01/14RIPE NCC
91.230.97.0/2491.230.97.0 - 91.230.97.2552011/07/11RIPE NCC
91.230.181.0/2491.230.181.0 - 91.230.181.2552011/07/18RIPE NCC
91.230.189.0/2491.230.189.0 - 91.230.189.2552011/07/18RIPE NCC
91.230.212.0/2491.230.212.0 - 91.230.212.2552023/05/10RIPE NCC
91.230.243.0/2491.230.243.0 - 91.230.243.2552011/07/28RIPE NCC
91.230.246.0/2491.230.246.0 - 91.230.246.2552011/07/28RIPE NCC
91.231.34.0/2491.231.34.0 - 91.231.34.2552020/04/28RIPE NCC
91.231.35.0/2491.231.35.0 - 91.231.35.2552020/04/28RIPE NCC
91.231.46.0/2491.231.46.0 - 91.231.46.2552011/08/29RIPE NCC
91.231.90.0/2391.231.90.0 - 91.231.91.2552011/09/14RIPE NCC
91.231.144.0/2491.231.144.0 - 91.231.144.2552011/09/23RIPE NCC
91.231.212.0/2491.231.212.0 - 91.231.212.2552024/06/19RIPE NCC
91.232.36.0/2491.232.36.0 - 91.232.36.2552011/10/27RIPE NCC
91.232.104.0/2491.232.104.0 - 91.232.104.2552011/11/08RIPE NCC
91.232.124.0/2391.232.124.0 - 91.232.125.2552011/11/09RIPE NCC
91.232.148.0/2391.232.148.0 - 91.232.149.2552012/09/10RIPE NCC
91.232.150.0/2391.232.150.0 - 91.232.151.2552011/11/16RIPE NCC
91.232.153.0/2491.232.153.0 - 91.232.153.2552011/11/18RIPE NCC
91.232.181.0/2491.232.181.0 - 91.232.181.2552011/11/22RIPE NCC
91.233.5.0/2491.233.5.0 - 91.233.5.2552011/11/28RIPE NCC
91.233.16.0/2491.233.16.0 - 91.233.16.2552011/11/29RIPE NCC
91.233.33.0/2491.233.33.0 - 91.233.33.2552011/12/01RIPE NCC
91.233.62.0/2491.233.62.0 - 91.233.62.2552011/12/05RIPE NCC
91.233.81.0/2491.233.81.0 - 91.233.81.2552011/12/06RIPE NCC
91.233.83.0/2491.233.83.0 - 91.233.83.2552011/12/06RIPE NCC
91.233.121.0/2491.233.121.0 - 91.233.121.2552019/10/04RIPE NCC
91.233.124.0/2491.233.124.0 - 91.233.124.2552011/12/09RIPE NCC
91.233.128.0/2391.233.128.0 - 91.233.129.2552011/12/09RIPE NCC
91.233.151.0/2491.233.151.0 - 91.233.151.2552023/12/18RIPE NCC
91.233.152.0/2291.233.152.0 - 91.233.155.2552011/12/13RIPE NCC
91.234.18.0/2491.234.18.0 - 91.234.18.2552011/12/21RIPE NCC
91.234.19.0/2491.234.19.0 - 91.234.19.2552011/12/21RIPE NCC
91.234.23.0/2491.234.23.0 - 91.234.23.2552011/12/21RIPE NCC
91.234.37.0/2491.234.37.0 - 91.234.37.2552011/12/22RIPE NCC
91.234.184.0/2391.234.184.0 - 91.234.185.2552012/01/26RIPE NCC
91.234.201.0/2491.234.201.0 - 91.234.201.2552012/01/27RIPE NCC
91.234.214.0/2491.234.214.0 - 91.234.214.2552012/01/30RIPE NCC
91.234.234.0/2491.234.234.0 - 91.234.234.2552020/04/06RIPE NCC
91.235.2.0/2491.235.2.0 - 91.235.2.2552019/12/06RIPE NCC
91.235.44.0/2491.235.44.0 - 91.235.44.2552012/02/03RIPE NCC
91.235.56.0/2291.235.56.0 - 91.235.59.2552012/02/06RIPE NCC
91.235.65.0/2491.235.65.0 - 91.235.65.2552012/02/07RIPE NCC
91.235.118.0/2491.235.118.0 - 91.235.118.2552012/02/09RIPE NCC
91.235.130.0/2391.235.130.0 - 91.235.131.2552012/02/10RIPE NCC
91.235.140.0/2491.235.140.0 - 91.235.140.2552012/02/13RIPE NCC
91.235.170.0/2491.235.170.0 - 91.235.170.2552023/05/15RIPE NCC
91.235.172.0/2391.235.172.0 - 91.235.173.2552012/02/15RIPE NCC
91.235.205.0/2491.235.205.0 - 91.235.205.2552023/05/24RIPE NCC
91.235.214.0/2491.235.214.0 - 91.235.214.2552012/02/17RIPE NCC
91.236.17.0/2491.236.17.0 - 91.236.17.2552012/02/24RIPE NCC
91.236.18.0/2491.236.18.0 - 91.236.18.2552012/02/24RIPE NCC
91.236.26.0/2391.236.26.0 - 91.236.27.2552012/02/27RIPE NCC
91.236.56.0/2491.236.56.0 - 91.236.56.2552012/02/28RIPE NCC
91.236.64.0/2291.236.64.0 - 91.236.67.2552012/02/28RIPE NCC
91.236.116.0/2491.236.116.0 - 91.236.116.2552012/03/02RIPE NCC
91.236.117.0/2491.236.117.0 - 91.236.117.2552012/03/02RIPE NCC
91.236.152.0/2491.236.152.0 - 91.236.152.2552012/03/09RIPE NCC
91.236.187.0/2491.236.187.0 - 91.236.187.2552012/03/13RIPE NCC
91.236.190.0/2391.236.190.0 - 91.236.191.2552012/03/13RIPE NCC
91.236.206.0/2491.236.206.0 - 91.236.206.2552012/03/14RIPE NCC
91.236.230.0/2491.236.230.0 - 91.236.230.2552023/02/06RIPE NCC
91.237.74.0/2391.237.74.0 - 91.237.75.2552012/03/21RIPE NCC
91.237.124.0/2491.237.124.0 - 91.237.124.2552012/03/23RIPE NCC
91.237.140.0/2391.237.140.0 - 91.237.141.2552012/03/26RIPE NCC
91.237.176.0/2491.237.176.0 - 91.237.176.2552012/03/28RIPE NCC
91.237.185.0/2491.237.185.0 - 91.237.185.2552012/03/29RIPE NCC
91.237.197.0/2491.237.197.0 - 91.237.197.2552012/03/29RIPE NCC
91.237.210.0/2391.237.210.0 - 91.237.211.2552012/03/29RIPE NCC
91.237.231.0/2491.237.231.0 - 91.237.231.2552012/04/02RIPE NCC
91.238.82.0/2491.238.82.0 - 91.238.82.2552019/11/12RIPE NCC
91.238.130.0/2491.238.130.0 - 91.238.130.2552012/04/12RIPE NCC
91.238.160.0/2291.238.160.0 - 91.238.163.2552012/04/16RIPE NCC
91.238.164.0/2391.238.164.0 - 91.238.165.2552012/04/16RIPE NCC
91.238.192.0/2491.238.192.0 - 91.238.192.2552024/08/19RIPE NCC
91.238.193.0/2491.238.193.0 - 91.238.193.2552024/08/19RIPE NCC
91.238.194.0/2491.238.194.0 - 91.238.194.2552024/08/19RIPE NCC
91.238.195.0/2491.238.195.0 - 91.238.195.2552024/08/19RIPE NCC
91.238.196.0/2391.238.196.0 - 91.238.197.2552012/04/20RIPE NCC
91.238.198.0/2491.238.198.0 - 91.238.198.2552012/04/20RIPE NCC
91.238.208.0/2391.238.208.0 - 91.238.209.2552012/04/20RIPE NCC
91.238.214.0/2391.238.214.0 - 91.238.215.2552012/04/25RIPE NCC
91.238.221.0/2491.238.221.0 - 91.238.221.2552012/05/03RIPE NCC
91.238.238.0/2491.238.238.0 - 91.238.238.2552020/12/15RIPE NCC
91.239.46.0/2491.239.46.0 - 91.239.46.2552012/05/11RIPE NCC
91.239.55.0/2491.239.55.0 - 91.239.55.2552020/03/16RIPE NCC
91.239.57.0/2491.239.57.0 - 91.239.57.2552020/06/05RIPE NCC
91.239.62.0/2491.239.62.0 - 91.239.62.2552012/05/14RIPE NCC
91.239.72.0/2491.239.72.0 - 91.239.72.2552012/08/13RIPE NCC
91.239.73.0/2491.239.73.0 - 91.239.73.2552012/08/13RIPE NCC
91.239.87.0/2491.239.87.0 - 91.239.87.2552012/05/15RIPE NCC
91.239.91.0/2491.239.91.0 - 91.239.91.2552012/05/16RIPE NCC
91.239.124.0/2391.239.124.0 - 91.239.125.2552012/05/18RIPE NCC
91.239.130.0/2491.239.130.0 - 91.239.130.2552019/11/12RIPE NCC
91.239.156.0/2491.239.156.0 - 91.239.156.2552012/05/22RIPE NCC
91.239.157.0/2491.239.157.0 - 91.239.157.2552019/11/12RIPE NCC
91.240.0.0/2491.240.0.0 - 91.240.0.2552012/08/08RIPE NCC
91.240.2.0/2391.240.2.0 - 91.240.3.2552012/06/04RIPE NCC
91.240.17.0/2491.240.17.0 - 91.240.17.2552012/06/08RIPE NCC
91.240.24.0/2491.240.24.0 - 91.240.24.2552012/06/08RIPE NCC
91.240.47.0/2491.240.47.0 - 91.240.47.2552020/07/14RIPE NCC
91.240.174.0/2491.240.174.0 - 91.240.174.2552012/07/03RIPE NCC
91.240.176.0/2491.240.176.0 - 91.240.176.2552012/07/03RIPE NCC
91.240.178.0/2491.240.178.0 - 91.240.178.2552012/07/04RIPE NCC
91.240.192.0/2491.240.192.0 - 91.240.192.2552012/07/05RIPE NCC
91.240.221.0/2491.240.221.0 - 91.240.221.2552012/07/05RIPE NCC
91.240.224.0/2491.240.224.0 - 91.240.224.2552012/07/09RIPE NCC
91.240.226.0/2391.240.226.0 - 91.240.227.2552012/07/06RIPE NCC
91.240.229.0/2491.240.229.0 - 91.240.229.2552012/07/06RIPE NCC
91.241.0.0/2391.241.0.0 - 91.241.1.2552012/07/10RIPE NCC
91.241.56.0/2491.241.56.0 - 91.241.56.2552012/07/12RIPE NCC
91.241.70.0/2491.241.70.0 - 91.241.70.2552012/07/13RIPE NCC
91.241.78.0/2491.241.78.0 - 91.241.78.2552012/07/13RIPE NCC
91.242.172.0/2491.242.172.0 - 91.242.172.2552012/08/02RIPE NCC
91.242.228.0/2491.242.228.0 - 91.242.228.2552021/10/15RIPE NCC
91.244.117.0/2491.244.117.0 - 91.244.117.2552012/08/14RIPE NCC
91.244.181.0/2491.244.181.0 - 91.244.181.2552012/08/16RIPE NCC
91.244.192.0/2291.244.192.0 - 91.244.195.2552018/08/23RIPE NCC
91.244.229.0/2491.244.229.0 - 91.244.229.2552012/08/17RIPE NCC
91.244.236.0/2391.244.236.0 - 91.244.237.2552012/08/17RIPE NCC
91.244.239.0/2491.244.239.0 - 91.244.239.2552012/08/17RIPE NCC
91.244.245.0/2491.244.245.0 - 91.244.245.2552012/09/10RIPE NCC
91.245.212.0/2491.245.212.0 - 91.245.212.2552012/08/22RIPE NCC
91.246.8.0/2291.246.8.0 - 91.246.11.2552012/08/23RIPE NCC
91.246.26.0/2391.246.26.0 - 91.246.27.2552012/08/24RIPE NCC
91.246.28.0/2391.246.28.0 - 91.246.29.2552012/08/27RIPE NCC
91.246.39.0/2491.246.39.0 - 91.246.39.2552021/10/18RIPE NCC
91.246.58.0/2491.246.58.0 - 91.246.58.2552021/10/19RIPE NCC
91.247.73.0/2491.247.73.0 - 91.247.73.2552012/08/30RIPE NCC
91.247.181.0/2491.247.181.0 - 91.247.181.2552021/10/20RIPE NCC
91.247.221.0/2491.247.221.0 - 91.247.221.2552012/08/30RIPE NCC
92.8.0.0/1392.8.0.0 - 92.15.255.2552007/06/28RIPE NCC
92.16.0.0/1292.16.0.0 - 92.31.255.2552007/06/28RIPE NCC
92.40.0.0/1592.40.0.0 - 92.41.255.2552007/11/21RIPE NCC
92.42.56.0/2192.42.56.0 - 92.42.63.2552007/12/12RIPE NCC
92.42.120.0/2192.42.120.0 - 92.42.127.2552007/12/14RIPE NCC
92.42.144.0/2192.42.144.0 - 92.42.151.2552007/12/17RIPE 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。

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