fetus

🇩🇪ドイツGermany


割り振り一覧

ドイツに割り振りされた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。

ドイツには124,680,320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2.90294%、予約領域を除くと3.36769%です。


10201-10400 of 10648 rows
CIDRIPアドレス割り振り日レジストリ
212.102.224.0/19212.102.224.0 - 212.102.255.2552000/05/30RIPE NCC
212.103.32.0/22212.103.32.0 - 212.103.35.2552018/11/02RIPE NCC
212.103.40.0/22212.103.40.0 - 212.103.43.2552018/11/02RIPE NCC
212.103.52.0/22212.103.52.0 - 212.103.55.2552018/11/02RIPE NCC
212.103.60.0/23212.103.60.0 - 212.103.61.2552018/11/02RIPE NCC
212.103.63.0/24212.103.63.0 - 212.103.63.2552018/11/02RIPE NCC
212.105.192.0/19212.105.192.0 - 212.105.223.2551999/05/20RIPE NCC
212.107.8.0/22212.107.8.0 - 212.107.11.2552018/11/02RIPE NCC
212.107.16.0/22212.107.16.0 - 212.107.19.2552018/11/02RIPE NCC
212.107.160.0/19212.107.160.0 - 212.107.191.2551999/08/03RIPE NCC
212.108.160.0/19212.108.160.0 - 212.108.191.2551999/07/13RIPE NCC
212.110.96.0/19212.110.96.0 - 212.110.127.2551999/11/16RIPE NCC
212.110.192.0/19212.110.192.0 - 212.110.223.2551999/05/10RIPE NCC
212.110.224.0/19212.110.224.0 - 212.110.255.2552000/05/30RIPE NCC
212.111.224.0/19212.111.224.0 - 212.111.255.2552000/06/06RIPE NCC
212.112.192.0/19212.112.192.0 - 212.112.223.2551999/04/21RIPE NCC
212.112.224.0/19212.112.224.0 - 212.112.255.2552000/05/19RIPE NCC
212.114.32.0/19212.114.32.0 - 212.114.63.2552002/10/03RIPE NCC
212.114.64.0/19212.114.64.0 - 212.114.95.2551999/01/21RIPE NCC
212.114.128.0/19212.114.128.0 - 212.114.159.2551998/12/09RIPE NCC
212.114.160.0/19212.114.160.0 - 212.114.191.2551999/02/18RIPE NCC
212.114.192.0/18212.114.192.0 - 212.114.255.2551999/02/18RIPE NCC
212.115.32.0/22212.115.32.0 - 212.115.35.2552018/11/02RIPE NCC
212.116.0.0/19212.116.0.0 - 212.116.31.2551998/10/05RIPE NCC
212.117.64.0/19212.117.64.0 - 212.117.95.2551999/02/12RIPE NCC
212.118.160.0/19212.118.160.0 - 212.118.191.2551999/07/22RIPE NCC
212.118.192.0/19212.118.192.0 - 212.118.223.2551999/05/10RIPE NCC
212.122.32.0/19212.122.32.0 - 212.122.63.2552002/11/19RIPE NCC
212.122.128.0/19212.122.128.0 - 212.122.159.2551998/12/09RIPE NCC
212.123.32.0/19212.123.32.0 - 212.123.63.2551999/07/05RIPE NCC
212.123.96.0/19212.123.96.0 - 212.123.127.2552000/08/04RIPE NCC
212.124.32.0/19212.124.32.0 - 212.124.63.2551999/06/04RIPE NCC
212.125.32.0/19212.125.32.0 - 212.125.63.2551999/07/05RIPE NCC
212.125.96.0/19212.125.96.0 - 212.125.127.2551999/12/08RIPE NCC
212.126.192.0/19212.126.192.0 - 212.126.223.2551999/05/11RIPE NCC
212.127.32.0/19212.127.32.0 - 212.127.63.2551999/05/27RIPE NCC
212.132.64.0/18212.132.64.0 - 212.132.127.2551998/11/19RIPE NCC
212.144.0.0/16212.144.0.0 - 212.144.255.2551998/10/29RIPE NCC
212.146.136.0/21212.146.136.0 - 212.146.143.2552000/08/17RIPE NCC
212.146.144.0/20212.146.144.0 - 212.146.159.2552000/08/17RIPE NCC
212.149.0.0/18212.149.0.0 - 212.149.63.2552001/03/09RIPE NCC
212.172.0.0/16212.172.0.0 - 212.172.255.2551998/12/17RIPE NCC
212.184.0.0/16212.184.0.0 - 212.184.255.2551998/11/19RIPE NCC
212.185.0.0/16212.185.0.0 - 212.185.255.2551999/02/16RIPE NCC
212.201.0.0/16212.201.0.0 - 212.201.255.2552000/08/08RIPE NCC
212.202.0.0/16212.202.0.0 - 212.202.255.2551998/03/24RIPE NCC
212.204.0.0/19212.204.0.0 - 212.204.31.2551998/03/09RIPE NCC
212.204.32.0/19212.204.32.0 - 212.204.63.2551999/08/11RIPE NCC
212.204.64.0/18212.204.64.0 - 212.204.127.2551999/06/24RIPE NCC
212.211.128.0/17212.211.128.0 - 212.211.255.2551999/09/08RIPE NCC
212.218.0.0/16212.218.0.0 - 212.218.255.2551998/04/09RIPE NCC
212.223.0.0/16212.223.0.0 - 212.223.255.2551998/08/24RIPE NCC
212.224.0.0/19212.224.0.0 - 212.224.31.2551998/01/22RIPE NCC
212.224.32.0/20212.224.32.0 - 212.224.47.2551998/01/22RIPE NCC
212.224.64.0/18212.224.64.0 - 212.224.127.2552007/11/05RIPE NCC
212.227.0.0/16212.227.0.0 - 212.227.255.2551998/09/10RIPE NCC
212.232.18.0/23212.232.18.0 - 212.232.19.2552003/09/30RIPE NCC
212.232.80.0/20212.232.80.0 - 212.232.95.2552010/03/17RIPE NCC
212.237.160.0/21212.237.160.0 - 212.237.167.2551998/09/25RIPE NCC
212.237.168.0/21212.237.168.0 - 212.237.175.2551998/09/25RIPE NCC
212.237.228.0/24212.237.228.0 - 212.237.228.2551998/09/25RIPE NCC
212.237.244.0/22212.237.244.0 - 212.237.247.2551998/09/25RIPE NCC
212.237.254.0/24212.237.254.0 - 212.237.254.2551998/09/25RIPE NCC
213.9.0.0/17213.9.0.0 - 213.9.127.2551999/11/23RIPE NCC
213.17.0.0/18213.17.0.0 - 213.17.63.2551999/11/19RIPE NCC
213.20.0.0/16213.20.0.0 - 213.20.255.2551999/08/20RIPE NCC
213.21.32.0/20213.21.32.0 - 213.21.47.2552008/02/18RIPE NCC
213.23.0.0/17213.23.0.0 - 213.23.127.2552000/03/14RIPE NCC
213.23.128.0/17213.23.128.0 - 213.23.255.2552003/02/14RIPE NCC
213.30.192.0/18213.30.192.0 - 213.30.255.2552000/10/05RIPE NCC
213.32.192.0/20213.32.192.0 - 213.32.207.2551999/06/28RIPE NCC
213.39.128.0/17213.39.128.0 - 213.39.255.2552002/06/26RIPE NCC
213.68.0.0/16213.68.0.0 - 213.68.255.2551999/12/29RIPE NCC
213.69.0.0/16213.69.0.0 - 213.69.255.2552000/07/12RIPE NCC
213.70.0.0/15213.70.0.0 - 213.71.255.2552001/02/12RIPE NCC
213.73.64.0/18213.73.64.0 - 213.73.127.2552000/09/28RIPE NCC
213.83.0.0/18213.83.0.0 - 213.83.63.2552000/08/14RIPE NCC
213.95.0.0/16213.95.0.0 - 213.95.255.2552000/09/14RIPE NCC
213.108.88.0/21213.108.88.0 - 213.108.95.2552009/07/21RIPE NCC
213.108.192.0/22213.108.192.0 - 213.108.195.2552018/08/08RIPE NCC
213.109.144.0/24213.109.144.0 - 213.109.144.2552021/10/04RIPE NCC
213.109.160.0/22213.109.160.0 - 213.109.163.2552018/11/06RIPE NCC
213.109.200.0/24213.109.200.0 - 213.109.200.2552021/10/04RIPE NCC
213.128.96.0/19213.128.96.0 - 213.128.127.2552002/05/03RIPE NCC
213.128.128.0/19213.128.128.0 - 213.128.159.2552000/01/19RIPE NCC
213.131.192.0/19213.131.192.0 - 213.131.223.2552000/05/10RIPE NCC
213.131.224.0/19213.131.224.0 - 213.131.255.2552002/07/12RIPE NCC
213.133.96.0/19213.133.96.0 - 213.133.127.2552002/05/23RIPE NCC
213.134.0.0/24213.134.0.0 - 213.134.0.2552024/01/09RIPE NCC
213.134.3.0/24213.134.3.0 - 213.134.3.2552024/01/09RIPE NCC
213.135.0.0/19213.135.0.0 - 213.135.31.2552000/01/12RIPE NCC
213.135.192.0/19213.135.192.0 - 213.135.223.2552008/03/31RIPE NCC
213.136.64.0/19213.136.64.0 - 213.136.95.2552000/02/28RIPE NCC
213.137.192.0/19213.137.192.0 - 213.137.223.2552000/05/03RIPE NCC
213.138.32.0/19213.138.32.0 - 213.138.63.2552000/10/24RIPE NCC
213.139.64.0/19213.139.64.0 - 213.139.95.2552000/03/31RIPE NCC
213.139.128.0/19213.139.128.0 - 213.139.159.2552000/02/17RIPE NCC
213.139.240.0/22213.139.240.0 - 213.139.243.2552018/12/04RIPE NCC
213.142.154.0/23213.142.154.0 - 213.142.155.2552009/10/12RIPE NCC
213.143.192.0/19213.143.192.0 - 213.143.223.2552000/05/11RIPE NCC
213.144.0.0/19213.144.0.0 - 213.144.31.2551999/12/06RIPE NCC
213.145.64.0/19213.145.64.0 - 213.145.95.2552000/03/21RIPE NCC
213.146.64.0/19213.146.64.0 - 213.146.95.2552000/03/08RIPE NCC
213.146.96.0/19213.146.96.0 - 213.146.127.2552002/08/09RIPE NCC
213.146.224.0/19213.146.224.0 - 213.146.255.2552003/01/15RIPE NCC
213.147.0.0/19213.147.0.0 - 213.147.31.2552000/01/10RIPE NCC
213.148.96.0/19213.148.96.0 - 213.148.127.2552010/05/11RIPE NCC
213.148.128.0/19213.148.128.0 - 213.148.159.2552000/01/24RIPE NCC
213.149.64.0/20213.149.64.0 - 213.149.79.2552000/04/12RIPE NCC
213.149.80.0/20213.149.80.0 - 213.149.95.2552000/04/12RIPE NCC
213.152.96.0/19213.152.96.0 - 213.152.127.2552008/10/10RIPE NCC
213.153.64.0/22213.153.64.0 - 213.153.67.2552000/03/24RIPE NCC
213.153.68.0/22213.153.68.0 - 213.153.71.2552000/03/24RIPE NCC
213.153.72.0/22213.153.72.0 - 213.153.75.2552000/03/24RIPE NCC
213.153.76.0/22213.153.76.0 - 213.153.79.2552000/03/24RIPE NCC
213.153.80.0/22213.153.80.0 - 213.153.83.2552000/03/24RIPE NCC
213.153.84.0/22213.153.84.0 - 213.153.87.2552000/03/24RIPE NCC
213.153.88.0/22213.153.88.0 - 213.153.91.2552000/03/24RIPE NCC
213.153.92.0/22213.153.92.0 - 213.153.95.2552000/03/24RIPE NCC
213.155.64.0/19213.155.64.0 - 213.155.95.2552000/04/03RIPE NCC
213.157.0.0/19213.157.0.0 - 213.157.31.2552000/01/04RIPE NCC
213.158.96.0/19213.158.96.0 - 213.158.127.2552002/09/10RIPE NCC
213.160.0.0/19213.160.0.0 - 213.160.31.2551999/12/03RIPE NCC
213.160.64.0/19213.160.64.0 - 213.160.95.2552000/02/25RIPE NCC
213.162.128.0/19213.162.128.0 - 213.162.159.2552008/11/10RIPE NCC
213.163.234.0/23213.163.234.0 - 213.163.235.2552003/02/10RIPE NCC
213.163.237.0/24213.163.237.0 - 213.163.237.2552003/02/10RIPE NCC
213.163.250.0/23213.163.250.0 - 213.163.251.2552003/02/10RIPE NCC
213.163.252.0/23213.163.252.0 - 213.163.253.2552003/02/10RIPE NCC
213.164.64.0/19213.164.64.0 - 213.164.95.2552000/03/02RIPE NCC
213.164.128.0/19213.164.128.0 - 213.164.159.2552000/01/24RIPE NCC
213.165.64.0/19213.165.64.0 - 213.165.95.2552000/03/24RIPE NCC
213.165.96.0/19213.165.96.0 - 213.165.127.2552009/04/20RIPE NCC
213.166.224.0/19213.166.224.0 - 213.166.255.2552003/02/10RIPE NCC
213.167.160.0/19213.167.160.0 - 213.167.191.2552001/05/22RIPE NCC
213.168.64.0/19213.168.64.0 - 213.168.95.2552000/02/29RIPE NCC
213.168.96.0/19213.168.96.0 - 213.168.127.2552001/02/23RIPE NCC
213.168.192.0/19213.168.192.0 - 213.168.223.2552000/04/11RIPE NCC
213.170.142.0/24213.170.142.0 - 213.170.142.2552000/02/16RIPE NCC
213.170.160.0/19213.170.160.0 - 213.170.191.2552001/05/25RIPE NCC
213.170.196.0/22213.170.196.0 - 213.170.199.2552018/11/06RIPE NCC
213.170.216.0/22213.170.216.0 - 213.170.219.2552018/11/06RIPE NCC
213.172.96.0/19213.172.96.0 - 213.172.127.2552002/11/07RIPE NCC
213.173.0.0/19213.173.0.0 - 213.173.31.2552000/01/04RIPE NCC
213.174.32.0/19213.174.32.0 - 213.174.63.2552001/01/19RIPE NCC
213.175.128.0/19213.175.128.0 - 213.175.159.2552009/05/25RIPE NCC
213.178.0.0/20213.178.0.0 - 213.178.15.2551999/12/15RIPE NCC
213.178.16.0/20213.178.16.0 - 213.178.31.2551999/12/15RIPE NCC
213.178.64.0/19213.178.64.0 - 213.178.95.2552000/03/08RIPE NCC
213.178.128.0/22213.178.128.0 - 213.178.131.2552019/03/18RIPE NCC
213.178.160.0/19213.178.160.0 - 213.178.191.2552001/07/16RIPE NCC
213.179.64.0/21213.179.64.0 - 213.179.71.2552000/03/30RIPE NCC
213.179.128.0/19213.179.128.0 - 213.179.159.2552000/02/17RIPE NCC
213.182.0.0/19213.182.0.0 - 213.182.31.2551999/12/20RIPE NCC
213.182.96.0/19213.182.96.0 - 213.182.127.2552002/11/18RIPE NCC
213.182.128.0/19213.182.128.0 - 213.182.159.2552000/02/03RIPE NCC
213.183.0.0/19213.183.0.0 - 213.183.31.2552000/01/17RIPE NCC
213.183.64.0/19213.183.64.0 - 213.183.95.2552000/04/06RIPE NCC
213.183.160.0/19213.183.160.0 - 213.183.191.2552001/08/31RIPE NCC
213.183.192.0/19213.183.192.0 - 213.183.223.2552000/05/11RIPE NCC
213.185.64.0/24213.185.64.0 - 213.185.64.2552000/03/24RIPE NCC
213.185.65.0/24213.185.65.0 - 213.185.65.2552000/03/24RIPE NCC
213.185.66.0/23213.185.66.0 - 213.185.67.2552000/03/24RIPE NCC
213.185.68.0/22213.185.68.0 - 213.185.71.2552000/03/24RIPE NCC
213.185.72.0/22213.185.72.0 - 213.185.75.2552000/03/24RIPE NCC
213.185.76.0/23213.185.76.0 - 213.185.77.2552000/03/24RIPE NCC
213.185.78.0/23213.185.78.0 - 213.185.79.2552000/03/24RIPE NCC
213.185.80.0/22213.185.80.0 - 213.185.83.2552000/03/24RIPE NCC
213.185.84.0/23213.185.84.0 - 213.185.85.2552000/03/24RIPE NCC
213.185.128.0/19213.185.128.0 - 213.185.159.2552000/02/09RIPE NCC
213.187.64.0/19213.187.64.0 - 213.187.95.2552000/04/03RIPE NCC
213.188.96.0/19213.188.96.0 - 213.188.127.2552002/12/09RIPE NCC
213.190.4.0/22213.190.4.0 - 213.190.7.2552018/11/07RIPE NCC
213.190.28.0/22213.190.28.0 - 213.190.31.2552018/11/08RIPE NCC
213.191.32.0/19213.191.32.0 - 213.191.63.2552001/02/09RIPE NCC
213.191.64.0/19213.191.64.0 - 213.191.95.2552000/04/10RIPE NCC
213.195.24.0/21213.195.24.0 - 213.195.31.2552009/04/21RIPE NCC
213.196.192.0/18213.196.192.0 - 213.196.255.2552002/08/26RIPE NCC
213.199.32.0/19213.199.32.0 - 213.199.63.2552003/03/27RIPE NCC
213.202.192.0/18213.202.192.0 - 213.202.255.2552002/10/21RIPE NCC
213.203.192.0/18213.203.192.0 - 213.203.255.2552002/10/22RIPE NCC
213.206.160.0/19213.206.160.0 - 213.206.191.2552003/07/03RIPE NCC
213.208.32.0/21213.208.32.0 - 213.208.39.2552001/11/30RIPE NCC
213.208.40.0/21213.208.40.0 - 213.208.47.2552001/11/30RIPE NCC
213.208.48.0/22213.208.48.0 - 213.208.51.2552001/11/30RIPE NCC
213.208.52.0/22213.208.52.0 - 213.208.55.2552001/11/30RIPE NCC
213.208.56.0/21213.208.56.0 - 213.208.63.2552001/11/30RIPE NCC
213.209.64.0/18213.209.64.0 - 213.209.127.2552000/10/12RIPE NCC
213.209.128.0/19213.209.128.0 - 213.209.159.2552000/06/07RIPE NCC
213.211.192.0/18213.211.192.0 - 213.211.255.2552002/11/28RIPE NCC
213.214.0.0/19213.214.0.0 - 213.214.31.2551999/11/01RIPE NCC
213.216.0.0/19213.216.0.0 - 213.216.31.2551999/08/19RIPE NCC
213.217.9.0/24213.217.9.0 - 213.217.9.2552022/01/25RIPE NCC
213.217.30.0/24213.217.30.0 - 213.217.30.2552021/07/27RIPE NCC
213.217.64.0/18213.217.64.0 - 213.217.127.2552001/01/08RIPE NCC
213.218.0.0/19213.218.0.0 - 213.218.31.2551999/10/28RIPE NCC
213.218.160.0/19213.218.160.0 - 213.218.191.2552003/05/12RIPE NCC
213.220.128.0/18213.220.128.0 - 213.220.191.2552000/04/19RIPE NCC
213.221.64.0/18213.221.64.0 - 213.221.127.2552001/01/11RIPE NCC
213.232.64.0/22213.232.64.0 - 213.232.67.2552018/12/05RIPE 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。

3801-4000 of 8363 rows
CIDR
185.74.244.0/22
185.75.24.0/22
185.75.72.0/22
185.75.148.0/22
185.75.164.0/22
185.75.184.0/22
185.75.228.0/22
185.76.28.0/22
185.76.40.0/22
185.76.96.0/22
185.76.116.0/22
185.76.156.0/24
185.76.160.0/21
185.76.172.0/22
185.76.188.0/22
185.77.104.0/22
185.78.40.0/22
185.78.60.0/22
185.78.168.0/22
185.78.176.0/22
185.78.184.0/22
185.78.200.0/22
185.78.252.0/22
185.79.24.0/22
185.79.44.0/22
185.79.64.0/22
185.79.72.0/22
185.79.124.0/22
185.79.168.0/22
185.79.196.0/22
185.79.208.0/22
185.79.216.0/22
185.80.92.0/22
185.80.120.0/22
185.80.144.0/22
185.80.168.0/22
185.80.184.0/22
185.81.124.0/22
185.81.148.0/22
185.82.4.0/22
185.82.16.0/21
185.82.40.0/22
185.82.84.0/22
185.82.160.0/22
185.83.87.0/24
185.83.140.0/22
185.84.56.0/22
185.84.80.0/22
185.84.120.0/22
185.84.200.0/22
185.84.216.0/22
185.85.0.0/22
185.85.48.0/22
185.85.132.0/22
185.85.220.0/22
185.86.156.0/22
185.86.172.0/22
185.86.188.0/22
185.86.232.0/22
185.87.0.0/22
185.87.20.0/22
185.87.72.0/22
185.87.132.0/22
185.87.176.0/22
185.87.220.0/22
185.88.60.0/22
185.88.92.0/22
185.88.144.0/22
185.88.212.0/22
185.88.220.0/22
185.88.224.0/22
185.88.244.0/22
185.89.24.0/22
185.89.36.0/22
185.89.56.0/22
185.89.196.0/22
185.89.224.0/21
185.90.128.0/22
185.90.156.0/22
185.90.160.0/22
185.90.172.0/22
185.90.200.0/22
185.90.228.0/22
185.90.232.0/22
185.91.4.0/22
185.91.24.0/22
185.91.44.0/22
185.91.48.0/22
185.91.104.0/22
185.91.127.0/24
185.91.196.0/22
185.91.244.0/22
185.92.76.0/22
185.92.152.0/22
185.92.160.0/22
185.92.204.0/22
185.92.208.0/24
185.93.56.0/22
185.93.116.0/22
185.93.136.0/21
185.93.174.0/24
185.93.188.0/22
185.93.200.0/22
185.93.236.0/22
185.94.29.0/24
185.94.36.0/22
185.94.104.0/22
185.94.252.0/22
185.95.32.0/22
185.95.80.0/22
185.95.96.0/22
185.95.112.0/22
185.95.128.0/22
185.95.192.0/22
185.95.212.0/22
185.96.12.0/22
185.96.56.0/22
185.96.92.0/22
185.96.196.0/22
185.96.212.0/22
185.96.236.0/22
185.97.4.0/22
185.97.96.0/22
185.97.144.0/22
185.97.172.0/22
185.97.176.0/21
185.97.224.0/22
185.97.240.0/22
185.98.48.0/22
185.98.56.0/22
185.98.92.0/22
185.98.140.0/22
185.98.156.0/24
185.98.184.0/22
185.98.236.0/22
185.98.240.0/22
185.99.52.0/22
185.99.56.0/22
185.99.80.0/22
185.99.144.0/22
185.99.180.0/22
185.99.208.0/22
185.100.8.0/22
185.100.48.0/22
185.100.160.0/22
185.101.4.0/22
185.101.36.0/24
185.101.52.0/22
185.101.92.0/22
185.101.100.0/22
185.101.112.0/22
185.101.132.0/22
185.101.172.0/22
185.101.184.0/22
185.101.248.0/22
185.102.56.0/21
185.102.64.0/22
185.102.84.0/24
185.102.92.0/22
185.102.104.0/22
185.102.152.0/22
185.102.224.0/22
185.102.240.0/22
185.102.252.0/22
185.103.44.0/22
185.103.92.0/22
185.103.192.0/22
185.103.224.0/22
185.103.232.0/22
185.104.40.0/22
185.104.72.0/22
185.104.88.0/22
185.104.140.0/22
185.104.160.0/22
185.104.204.0/22
185.105.40.0/22
185.105.80.0/22
185.105.112.0/22
185.105.252.0/22
185.106.0.0/21
185.106.8.0/22
185.106.76.0/22
185.106.84.0/22
185.106.132.0/24
185.106.148.0/22
185.106.164.0/22
185.106.184.0/22
185.106.232.0/22
185.106.252.0/22
185.107.4.0/22
185.107.24.0/22
185.107.52.0/22
185.107.192.0/22
185.107.220.0/22
185.107.239.0/24
185.108.8.0/22
185.108.48.0/22
185.108.72.0/21
185.108.156.0/22
185.108.172.0/22