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141,029,768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3.28361%、予約領域を除くと3.80930%です。


6801-7000 of 9035 rows
CIDRIPアドレス割り振り日レジストリ
193.42.152.0/24193.42.152.0 - 193.42.152.2552008/09/18RIPE NCC
193.43.0.96/27193.43.0.96 - 193.43.0.1272012/05/11RIPE NCC
193.43.25.0/24193.43.25.0 - 193.43.25.2552004/12/17RIPE NCC
193.43.104.0/24193.43.104.0 - 193.43.104.2552022/10/19RIPE NCC
193.43.150.0/24193.43.150.0 - 193.43.150.2552004/12/07RIPE NCC
193.46.20.0/22193.46.20.0 - 193.46.23.2552018/04/30RIPE NCC
193.46.61.0/24193.46.61.0 - 193.46.61.2552007/07/25RIPE NCC
193.46.76.0/24193.46.76.0 - 193.46.76.2552007/08/01RIPE NCC
193.46.83.0/24193.46.83.0 - 193.46.83.2552007/08/02RIPE NCC
193.46.87.0/24193.46.87.0 - 193.46.87.2552007/08/07RIPE NCC
193.46.249.0/24193.46.249.0 - 193.46.249.2551994/04/22RIPE NCC
193.47.83.0/24193.47.83.0 - 193.47.83.2552005/07/15RIPE NCC
193.47.147.0/24193.47.147.0 - 193.47.147.2552005/07/21RIPE NCC
193.53.6.0/24193.53.6.0 - 193.53.6.2551994/04/18RIPE NCC
193.53.36.0/24193.53.36.0 - 193.53.36.2551994/04/18RIPE NCC
193.53.94.0/23193.53.94.0 - 193.53.95.2551994/04/18RIPE NCC
193.53.164.0/22193.53.164.0 - 193.53.167.2552018/07/17RIPE NCC
193.56.1.0/24193.56.1.0 - 193.56.1.2552021/04/23RIPE NCC
193.56.176.0/22193.56.176.0 - 193.56.179.2552018/07/17RIPE NCC
193.57.16.0/22193.57.16.0 - 193.57.19.2552018/05/01RIPE NCC
193.57.80.0/22193.57.80.0 - 193.57.83.2552018/05/01RIPE NCC
193.57.144.0/24193.57.144.0 - 193.57.144.2552019/11/15RIPE NCC
193.57.148.0/22193.57.148.0 - 193.57.151.2552018/05/02RIPE NCC
193.57.159.0/24193.57.159.0 - 193.57.159.2552019/11/15RIPE NCC
193.57.167.0/24193.57.167.0 - 193.57.167.2552019/11/15RIPE NCC
193.57.168.0/24193.57.168.0 - 193.57.168.2552019/11/15RIPE NCC
193.57.173.0/24193.57.173.0 - 193.57.173.2552019/11/15RIPE NCC
193.57.200.0/24193.57.200.0 - 193.57.200.2552019/11/15RIPE NCC
193.57.223.0/24193.57.223.0 - 193.57.223.2552019/11/15RIPE NCC
193.57.224.0/24193.57.224.0 - 193.57.224.2552019/11/15RIPE NCC
193.57.248.0/24193.57.248.0 - 193.57.248.2552019/11/15RIPE NCC
193.58.0.56/29193.58.0.56 - 193.58.0.632002/06/12RIPE NCC
193.58.64.0/22193.58.64.0 - 193.58.67.2551996/11/29RIPE NCC
193.58.68.0/23193.58.68.0 - 193.58.69.2551996/11/29RIPE NCC
193.58.154.0/24193.58.154.0 - 193.58.154.2552019/11/15RIPE NCC
193.60.0.0/14193.60.0.0 - 193.63.255.2551993/09/01RIPE NCC
193.82.32.0/19193.82.32.0 - 193.82.63.2551995/04/19RIPE NCC
193.84.0.0/24193.84.0.0 - 193.84.0.2552006/02/01RIPE NCC
193.84.51.0/24193.84.51.0 - 193.84.51.2552006/02/09RIPE NCC
193.84.101.0/24193.84.101.0 - 193.84.101.2552023/03/08RIPE NCC
193.84.142.0/24193.84.142.0 - 193.84.142.2552006/02/21RIPE NCC
193.84.224.0/20193.84.224.0 - 193.84.239.2551997/11/14RIPE NCC
193.93.32.0/22193.93.32.0 - 193.93.35.2552006/02/15RIPE NCC
193.93.36.0/22193.93.36.0 - 193.93.39.2552006/02/22RIPE NCC
193.93.44.0/22193.93.44.0 - 193.93.47.2552006/02/22RIPE NCC
193.93.80.0/22193.93.80.0 - 193.93.83.2552018/05/03RIPE NCC
193.93.84.0/22193.93.84.0 - 193.93.87.2552006/03/14RIPE NCC
193.93.148.0/22193.93.148.0 - 193.93.151.2552006/04/06RIPE NCC
193.93.152.0/22193.93.152.0 - 193.93.155.2552006/04/06RIPE NCC
193.93.196.0/22193.93.196.0 - 193.93.199.2552006/04/18RIPE NCC
193.93.200.0/22193.93.200.0 - 193.93.203.2552006/04/19RIPE NCC
193.93.224.0/22193.93.224.0 - 193.93.227.2552006/04/26RIPE NCC
193.104.25.0/24193.104.25.0 - 193.104.25.2552009/10/06RIPE NCC
193.104.35.0/24193.104.35.0 - 193.104.35.2552021/10/26RIPE NCC
193.104.63.0/24193.104.63.0 - 193.104.63.2552009/10/19RIPE NCC
193.104.78.0/24193.104.78.0 - 193.104.78.2552009/10/23RIPE NCC
193.104.81.0/24193.104.81.0 - 193.104.81.2552009/10/27RIPE NCC
193.104.89.0/24193.104.89.0 - 193.104.89.2552009/10/28RIPE NCC
193.104.91.0/24193.104.91.0 - 193.104.91.2552009/10/28RIPE NCC
193.104.92.0/24193.104.92.0 - 193.104.92.2552009/10/28RIPE NCC
193.104.101.0/24193.104.101.0 - 193.104.101.2552009/11/02RIPE NCC
193.104.103.0/24193.104.103.0 - 193.104.103.2552009/11/02RIPE NCC
193.104.107.0/24193.104.107.0 - 193.104.107.2552009/11/04RIPE NCC
193.104.108.0/24193.104.108.0 - 193.104.108.2552009/11/04RIPE NCC
193.104.113.0/24193.104.113.0 - 193.104.113.2552009/11/06RIPE NCC
193.104.126.0/24193.104.126.0 - 193.104.126.2552009/11/11RIPE NCC
193.104.131.0/24193.104.131.0 - 193.104.131.2552009/11/11RIPE NCC
193.104.144.0/24193.104.144.0 - 193.104.144.2552009/11/19RIPE NCC
193.104.152.0/24193.104.152.0 - 193.104.152.2552009/11/20RIPE NCC
193.104.164.0/24193.104.164.0 - 193.104.164.2552009/11/25RIPE NCC
193.104.169.0/24193.104.169.0 - 193.104.169.2552009/11/26RIPE NCC
193.104.175.0/24193.104.175.0 - 193.104.175.2552009/12/02RIPE NCC
193.104.181.0/24193.104.181.0 - 193.104.181.2552024/12/30RIPE NCC
193.104.219.0/24193.104.219.0 - 193.104.219.2552009/12/17RIPE NCC
193.105.13.0/24193.105.13.0 - 193.105.13.2552010/01/07RIPE NCC
193.105.47.0/24193.105.47.0 - 193.105.47.2552010/01/20RIPE NCC
193.105.48.0/24193.105.48.0 - 193.105.48.2552010/01/20RIPE NCC
193.105.51.0/24193.105.51.0 - 193.105.51.2552010/01/21RIPE NCC
193.105.54.0/24193.105.54.0 - 193.105.54.2552010/01/21RIPE NCC
193.105.61.0/24193.105.61.0 - 193.105.61.2552010/01/22RIPE NCC
193.105.69.0/24193.105.69.0 - 193.105.69.2552010/01/26RIPE NCC
193.105.74.0/24193.105.74.0 - 193.105.74.2552010/01/27RIPE NCC
193.105.95.0/24193.105.95.0 - 193.105.95.2552022/01/25RIPE NCC
193.105.98.0/24193.105.98.0 - 193.105.98.2552010/02/03RIPE NCC
193.105.120.0/24193.105.120.0 - 193.105.120.2552010/02/15RIPE NCC
193.105.129.0/24193.105.129.0 - 193.105.129.2552023/02/06RIPE NCC
193.105.132.0/24193.105.132.0 - 193.105.132.2552012/05/30RIPE NCC
193.105.134.0/24193.105.134.0 - 193.105.134.2552010/02/17RIPE NCC
193.105.150.0/24193.105.150.0 - 193.105.150.2552012/08/28RIPE NCC
193.105.170.0/24193.105.170.0 - 193.105.170.2552010/03/03RIPE NCC
193.105.182.0/24193.105.182.0 - 193.105.182.2552010/03/08RIPE NCC
193.105.184.0/24193.105.184.0 - 193.105.184.2552019/11/15RIPE NCC
193.105.188.0/24193.105.188.0 - 193.105.188.2552010/03/09RIPE NCC
193.105.189.0/24193.105.189.0 - 193.105.189.2552020/02/26RIPE NCC
193.105.207.0/24193.105.207.0 - 193.105.207.2552019/11/15RIPE NCC
193.105.209.0/24193.105.209.0 - 193.105.209.2552010/03/16RIPE NCC
193.105.212.0/24193.105.212.0 - 193.105.212.2552010/03/17RIPE NCC
193.105.231.0/24193.105.231.0 - 193.105.231.2552010/03/22RIPE NCC
193.106.12.0/22193.106.12.0 - 193.106.15.2552009/11/26RIPE NCC
193.106.189.0/24193.106.189.0 - 193.106.189.2552021/04/30RIPE NCC
193.106.196.0/22193.106.196.0 - 193.106.199.2552010/01/18RIPE NCC
193.107.20.0/24193.107.20.0 - 193.107.20.2552021/08/18RIPE NCC
193.107.65.0/24193.107.65.0 - 193.107.65.2552021/05/04RIPE NCC
193.107.116.0/22193.107.116.0 - 193.107.119.2552010/02/17RIPE NCC
193.108.18.0/24193.108.18.0 - 193.108.18.2552001/03/27RIPE NCC
193.108.36.0/23193.108.36.0 - 193.108.37.2552009/06/26RIPE NCC
193.108.72.0/21193.108.72.0 - 193.108.79.2552001/05/11RIPE NCC
193.108.80.0/21193.108.80.0 - 193.108.87.2552001/05/21RIPE NCC
193.108.169.0/24193.108.169.0 - 193.108.169.2552001/06/12RIPE NCC
193.108.191.0/24193.108.191.0 - 193.108.191.2552001/06/01RIPE NCC
193.108.199.0/24193.108.199.0 - 193.108.199.2552001/06/13RIPE NCC
193.108.218.0/24193.108.218.0 - 193.108.218.2552001/07/25RIPE NCC
193.108.221.0/24193.108.221.0 - 193.108.221.2552011/08/22RIPE NCC
193.108.244.0/22193.108.244.0 - 193.108.247.2552001/07/11RIPE NCC
193.109.12.0/22193.109.12.0 - 193.109.15.2552018/05/04RIPE NCC
193.109.50.0/23193.109.50.0 - 193.109.51.2552001/07/25RIPE NCC
193.109.81.0/24193.109.81.0 - 193.109.81.2552001/08/15RIPE NCC
193.109.100.0/22193.109.100.0 - 193.109.103.2552018/05/04RIPE NCC
193.109.108.0/22193.109.108.0 - 193.109.111.2552018/05/04RIPE NCC
193.109.254.0/23193.109.254.0 - 193.109.255.2552001/11/05RIPE NCC
193.110.88.0/24193.110.88.0 - 193.110.88.2552001/12/13RIPE NCC
193.110.149.0/24193.110.149.0 - 193.110.149.2552002/01/29RIPE NCC
193.110.240.0/21193.110.240.0 - 193.110.247.2552002/04/11RIPE NCC
193.111.24.0/23193.111.24.0 - 193.111.25.2552002/03/05RIPE NCC
193.111.33.0/24193.111.33.0 - 193.111.33.2552007/02/23RIPE NCC
193.111.35.0/24193.111.35.0 - 193.111.35.2552002/03/01RIPE NCC
193.111.68.0/23193.111.68.0 - 193.111.69.2552005/11/24RIPE NCC
193.111.74.0/23193.111.74.0 - 193.111.75.2552002/03/13RIPE NCC
193.111.180.0/22193.111.180.0 - 193.111.183.2552018/05/07RIPE NCC
193.111.200.0/24193.111.200.0 - 193.111.200.2552002/08/05RIPE NCC
193.111.227.0/24193.111.227.0 - 193.111.227.2552002/05/14RIPE NCC
193.111.230.0/23193.111.230.0 - 193.111.231.2552002/05/15RIPE NCC
193.113.0.0/16193.113.0.0 - 193.113.255.2551994/02/10RIPE NCC
193.114.160.0/19193.114.160.0 - 193.114.191.2551994/02/10RIPE NCC
193.115.192.0/18193.115.192.0 - 193.115.255.2551994/02/10RIPE NCC
193.117.128.0/17193.117.128.0 - 193.117.255.2551994/02/10RIPE NCC
193.118.160.0/20193.118.160.0 - 193.118.175.2551994/02/10RIPE NCC
193.118.176.0/21193.118.176.0 - 193.118.183.2551994/02/10RIPE NCC
193.118.184.0/22193.118.184.0 - 193.118.187.2551994/02/10RIPE NCC
193.118.188.0/23193.118.188.0 - 193.118.189.2551994/02/10RIPE NCC
193.118.190.0/24193.118.190.0 - 193.118.190.2551994/02/10RIPE NCC
193.118.191.0/24193.118.191.0 - 193.118.191.2551994/02/10RIPE NCC
193.118.224.0/19193.118.224.0 - 193.118.255.2551994/02/10RIPE NCC
193.124.20.0/23193.124.20.0 - 193.124.21.2551993/09/01RIPE NCC
193.128.0.0/22193.128.0.0 - 193.128.3.2551993/10/14RIPE NCC
193.128.4.0/23193.128.4.0 - 193.128.5.2551993/10/14RIPE NCC
193.128.6.0/24193.128.6.0 - 193.128.6.2551993/10/14RIPE NCC
193.128.8.0/21193.128.8.0 - 193.128.15.2551993/10/14RIPE NCC
193.128.16.0/21193.128.16.0 - 193.128.23.2551993/10/14RIPE NCC
193.128.24.0/22193.128.24.0 - 193.128.27.2551993/10/14RIPE NCC
193.128.28.0/23193.128.28.0 - 193.128.29.2551993/10/14RIPE NCC
193.128.30.0/24193.128.30.0 - 193.128.30.2551993/10/14RIPE NCC
193.128.31.0/24193.128.31.0 - 193.128.31.2551993/10/14RIPE NCC
193.128.32.0/19193.128.32.0 - 193.128.63.2551993/10/14RIPE NCC
193.128.64.0/21193.128.64.0 - 193.128.71.2551993/10/14RIPE NCC
193.128.72.0/22193.128.72.0 - 193.128.75.2551993/10/14RIPE NCC
193.128.76.0/24193.128.76.0 - 193.128.76.2551993/10/14RIPE NCC
193.128.77.0/24193.128.77.0 - 193.128.77.2551993/10/14RIPE NCC
193.128.78.0/23193.128.78.0 - 193.128.79.2551993/10/14RIPE NCC
193.128.80.0/20193.128.80.0 - 193.128.95.2551993/10/14RIPE NCC
193.128.96.0/19193.128.96.0 - 193.128.127.2551993/10/14RIPE NCC
193.128.128.0/18193.128.128.0 - 193.128.191.2551993/10/14RIPE NCC
193.128.192.0/20193.128.192.0 - 193.128.207.2551993/10/14RIPE NCC
193.128.208.0/20193.128.208.0 - 193.128.223.2551993/10/14RIPE NCC
193.128.224.0/19193.128.224.0 - 193.128.255.2551993/10/14RIPE NCC
193.129.0.0/16193.129.0.0 - 193.129.255.2551993/10/14RIPE NCC
193.130.0.0/19193.130.0.0 - 193.130.31.2551993/10/14RIPE NCC
193.130.32.0/21193.130.32.0 - 193.130.39.2551993/10/14RIPE NCC
193.130.40.0/23193.130.40.0 - 193.130.41.2551993/10/14RIPE NCC
193.130.42.0/23193.130.42.0 - 193.130.43.2551993/10/14RIPE NCC
193.130.44.0/22193.130.44.0 - 193.130.47.2551993/10/14RIPE NCC
193.130.48.0/20193.130.48.0 - 193.130.63.2551993/10/14RIPE NCC
193.130.64.0/18193.130.64.0 - 193.130.127.2551993/10/14RIPE NCC
193.130.128.0/18193.130.128.0 - 193.130.191.2551993/10/14RIPE NCC
193.130.192.0/19193.130.192.0 - 193.130.223.2551993/10/14RIPE NCC
193.130.224.0/19193.130.224.0 - 193.130.255.2551993/10/14RIPE NCC
193.131.0.0/18193.131.0.0 - 193.131.63.2551994/05/05RIPE NCC
193.131.64.0/19193.131.64.0 - 193.131.95.2551994/05/05RIPE NCC
193.131.96.0/20193.131.96.0 - 193.131.111.2551994/05/05RIPE NCC
193.131.112.0/23193.131.112.0 - 193.131.113.2551994/05/05RIPE NCC
193.131.114.0/23193.131.114.0 - 193.131.115.2551994/05/05RIPE NCC
193.131.116.0/22193.131.116.0 - 193.131.119.2551994/05/05RIPE NCC
193.131.120.0/21193.131.120.0 - 193.131.127.2551994/05/05RIPE NCC
193.131.128.0/17193.131.128.0 - 193.131.255.2551994/05/05RIPE NCC
193.132.0.0/18193.132.0.0 - 193.132.63.2551994/07/04RIPE NCC
193.132.64.0/19193.132.64.0 - 193.132.95.2551994/07/04RIPE NCC
193.132.96.0/20193.132.96.0 - 193.132.111.2551994/07/04RIPE NCC
193.132.112.0/22193.132.112.0 - 193.132.115.2551994/07/04RIPE NCC
193.132.116.0/22193.132.116.0 - 193.132.119.2551994/07/04RIPE NCC
193.132.120.0/21193.132.120.0 - 193.132.127.2551994/07/04RIPE NCC
193.132.128.0/17193.132.128.0 - 193.132.255.2551994/07/04RIPE NCC
193.133.0.0/20193.133.0.0 - 193.133.15.2551994/11/04RIPE NCC
193.133.16.0/21193.133.16.0 - 193.133.23.2551994/11/04RIPE NCC
193.133.24.0/22193.133.24.0 - 193.133.27.2551994/11/04RIPE NCC
193.133.28.0/23193.133.28.0 - 193.133.29.2551994/11/04RIPE NCC
193.133.30.0/23193.133.30.0 - 193.133.31.2551994/11/04RIPE NCC
193.133.32.0/19193.133.32.0 - 193.133.63.2551994/11/04RIPE NCC
193.133.64.0/18193.133.64.0 - 193.133.127.2551994/11/04RIPE NCC
193.133.128.0/17193.133.128.0 - 193.133.255.2551994/11/04RIPE NCC
193.138.86.0/24193.138.86.0 - 193.138.86.2552003/02/18RIPE 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。

2801-3000 of 7985 rows
CIDR
103.176.152.0/23
103.176.196.0/23
103.177.196.0/23
103.179.202.0/23
103.188.234.0/23
103.205.24.0/22
103.206.232.0/22
103.209.164.0/22
103.211.0.0/22
103.214.44.0/22
103.214.206.0/24
103.219.20.0/22
103.225.64.0/23
103.225.68.0/23
103.231.27.0/24
104.143.224.0/19
104.167.0.0/20
104.167.20.0/23
104.219.72.0/22
104.222.160.0/19
104.233.0.0/18
104.238.0.0/19
104.239.0.0/17
104.243.192.0/20
104.245.88.0/22
104.249.0.0/18
104.250.192.0/19
107.32.0.0/11
107.161.160.0/20
107.181.128.0/19
108.60.16.0/20
109.61.80.0/20
109.68.8.0/21
109.68.64.0/21
109.68.196.0/22
109.69.80.0/21
109.69.104.0/21
109.69.232.0/21
109.70.56.0/21
109.70.68.0/22
109.70.136.0/21
109.70.144.0/21
109.70.224.0/21
109.71.76.0/24
109.71.78.0/24
109.71.80.0/21
109.71.120.0/21
109.71.152.0/22
109.71.168.0/21
109.72.16.0/20
109.72.208.0/20
109.73.64.0/20
109.73.112.0/20
109.73.160.0/20
109.74.20.0/22
109.74.240.0/20
109.75.160.0/20
109.94.128.0/20
109.95.184.0/21
109.95.240.0/21
109.104.96.0/23
109.104.98.0/24
109.104.100.0/23
109.104.104.0/23
109.104.112.0/24
109.104.114.0/23
109.104.116.0/22
109.104.120.0/21
109.107.32.0/19
109.107.154.0/23
109.108.128.0/19
109.109.128.0/19
109.109.168.0/21
109.109.176.0/20
109.109.224.0/19
109.111.192.0/22
109.111.196.0/24
109.111.198.0/23
109.111.200.0/21
109.111.208.0/20
109.123.64.0/18
109.144.0.0/12
109.169.0.0/18
109.169.64.0/19
109.170.128.0/17
109.174.128.0/17
109.175.128.0/22
109.175.132.0/24
109.175.134.0/23
109.175.136.0/21
109.175.144.0/20
109.175.160.0/21
109.175.168.0/22
109.175.173.0/24
109.175.176.0/20
109.175.192.0/21
109.175.200.0/22
109.175.204.0/23
109.175.207.0/24
109.175.208.0/23
109.175.212.0/23
109.175.214.0/24
109.175.219.0/24
109.175.220.0/23
109.175.223.0/24
109.175.224.0/24
109.175.226.0/23
109.175.232.0/23
109.175.235.0/24
109.175.240.0/24
109.175.242.0/23
109.175.244.0/22
109.175.248.0/24
109.175.250.0/23
109.175.252.0/23
109.175.255.0/24
109.176.0.0/16
109.180.0.0/15
109.196.128.0/20
109.200.0.0/19
109.202.226.0/23
109.202.228.0/22
109.202.232.0/21
109.202.240.0/22
109.202.244.0/23
109.202.247.0/24
109.202.248.0/21
109.203.96.0/19
109.204.0.0/17
109.205.152.0/21
109.205.224.0/21
109.207.16.0/20
109.224.128.0/18
109.224.192.0/20
109.224.216.0/21
109.224.224.0/22
109.224.232.0/21
109.224.240.0/23
109.224.248.0/21
109.228.0.0/18
109.230.203.0/24
109.230.209.0/24
109.230.215.0/24
109.230.218.0/24
109.230.220.0/24
109.231.192.0/18
109.232.56.0/21
109.232.152.0/21
109.232.176.0/21
109.233.8.0/21
109.233.40.0/21
109.233.48.0/21
109.233.112.0/21
109.234.168.0/21
109.234.176.0/21
109.234.192.0/20
109.234.224.0/21
109.235.120.0/21
109.235.144.0/21
109.236.160.0/21
109.238.64.0/20
109.239.80.0/20
109.239.96.0/20
109.246.0.0/16
109.249.0.0/16
113.20.156.0/22
114.129.8.0/23
116.83.0.0/17
116.214.120.0/23
116.214.122.0/24
116.214.124.0/24
117.18.102.0/24
117.18.117.0/24
118.67.224.0/19
119.42.44.0/22
121.54.184.0/22
121.127.40.0/21
122.149.0.0/16
123.100.225.0/24
123.100.234.0/24
123.253.104.0/21
124.252.0.0/16
125.62.64.0/22
125.62.72.0/22
128.0.38.0/23
128.16.0.0/16
128.24.0.0/16
128.40.0.0/15
128.65.96.0/21
128.85.0.0/16
128.86.0.0/15
128.98.0.0/16
128.127.24.0/21
128.127.144.0/21
128.199.0.0/16
128.203.0.0/16
128.232.0.0/16
128.240.0.0/16
128.243.0.0/16
128.251.0.0/16