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。


2601-2800 of 10648 rows
CIDRIPアドレス割り振り日レジストリ
91.209.254.0/2491.209.254.0 - 91.209.254.2552009/01/07RIPE NCC
91.210.72.0/2291.210.72.0 - 91.210.75.2552018/09/11RIPE NCC
91.210.153.0/2491.210.153.0 - 91.210.153.2552020/06/25RIPE NCC
91.210.224.0/2491.210.224.0 - 91.210.224.2552018/04/20RIPE NCC
91.210.225.0/2491.210.225.0 - 91.210.225.2552018/04/20RIPE NCC
91.210.226.0/2391.210.226.0 - 91.210.227.2552018/04/20RIPE NCC
91.211.8.0/2291.211.8.0 - 91.211.11.2552008/11/25RIPE NCC
91.211.40.0/2291.211.40.0 - 91.211.43.2552008/11/28RIPE NCC
91.212.3.0/2491.212.3.0 - 91.212.3.2552009/01/26RIPE NCC
91.212.6.0/2491.212.6.0 - 91.212.6.2552020/01/13RIPE NCC
91.212.40.0/2391.212.40.0 - 91.212.41.2552019/10/03RIPE NCC
91.212.54.0/2391.212.54.0 - 91.212.55.2552019/10/03RIPE NCC
91.212.83.0/2491.212.83.0 - 91.212.83.2552009/03/10RIPE NCC
91.212.85.0/2491.212.85.0 - 91.212.85.2552009/03/10RIPE NCC
91.212.87.0/2491.212.87.0 - 91.212.87.2552009/03/11RIPE NCC
91.212.95.0/2491.212.95.0 - 91.212.95.2552009/03/18RIPE NCC
91.212.106.0/2491.212.106.0 - 91.212.106.2552009/03/30RIPE NCC
91.212.113.0/2491.212.113.0 - 91.212.113.2552009/04/01RIPE NCC
91.212.121.0/2491.212.121.0 - 91.212.121.2552023/02/27RIPE NCC
91.212.130.0/2491.212.130.0 - 91.212.130.2552009/04/08RIPE NCC
91.212.140.0/2491.212.140.0 - 91.212.140.2552009/04/14RIPE NCC
91.212.144.0/2491.212.144.0 - 91.212.144.2552009/04/16RIPE NCC
91.212.153.0/2491.212.153.0 - 91.212.153.2552019/11/08RIPE NCC
91.212.156.0/2491.212.156.0 - 91.212.156.2552021/05/31RIPE NCC
91.212.159.0/2491.212.159.0 - 91.212.159.2552019/11/08RIPE NCC
91.212.163.0/2491.212.163.0 - 91.212.163.2552019/11/08RIPE NCC
91.212.181.0/2491.212.181.0 - 91.212.181.2552009/05/01RIPE NCC
91.212.186.0/2491.212.186.0 - 91.212.186.2552019/12/17RIPE NCC
91.212.193.0/2491.212.193.0 - 91.212.193.2552019/11/08RIPE NCC
91.212.206.0/2491.212.206.0 - 91.212.206.2552009/05/13RIPE NCC
91.212.221.0/2491.212.221.0 - 91.212.221.2552009/05/26RIPE NCC
91.212.243.0/2491.212.243.0 - 91.212.243.2552009/06/04RIPE NCC
91.212.245.0/2491.212.245.0 - 91.212.245.2552009/06/04RIPE NCC
91.213.17.0/2491.213.17.0 - 91.213.17.2552021/08/23RIPE NCC
91.213.20.0/2491.213.20.0 - 91.213.20.2552009/06/18RIPE NCC
91.213.21.0/2491.213.21.0 - 91.213.21.2552009/06/19RIPE NCC
91.213.22.0/2491.213.22.0 - 91.213.22.2552009/06/19RIPE NCC
91.213.27.0/2491.213.27.0 - 91.213.27.2552009/06/19RIPE NCC
91.213.36.0/2491.213.36.0 - 91.213.36.2552009/06/30RIPE NCC
91.213.39.0/2491.213.39.0 - 91.213.39.2552009/07/02RIPE NCC
91.213.56.0/2491.213.56.0 - 91.213.56.2552009/07/09RIPE NCC
91.213.60.0/2491.213.60.0 - 91.213.60.2552009/07/13RIPE NCC
91.213.61.0/2491.213.61.0 - 91.213.61.2552009/07/14RIPE NCC
91.213.68.0/2491.213.68.0 - 91.213.68.2552012/05/08RIPE NCC
91.213.91.0/2491.213.91.0 - 91.213.91.2552009/07/24RIPE NCC
91.213.98.0/2491.213.98.0 - 91.213.98.2552009/07/28RIPE NCC
91.213.103.0/2491.213.103.0 - 91.213.103.2552009/07/30RIPE NCC
91.213.116.0/2491.213.116.0 - 91.213.116.2552009/08/03RIPE NCC
91.213.177.0/2491.213.177.0 - 91.213.177.2552009/08/20RIPE NCC
91.213.198.0/2491.213.198.0 - 91.213.198.2552009/09/01RIPE NCC
91.213.207.0/2491.213.207.0 - 91.213.207.2552009/09/08RIPE NCC
91.213.221.0/2491.213.221.0 - 91.213.221.2552009/10/14RIPE NCC
91.213.232.0/2491.213.232.0 - 91.213.232.2552009/09/21RIPE NCC
91.213.235.0/2491.213.235.0 - 91.213.235.2552023/07/12RIPE NCC
91.213.252.0/2491.213.252.0 - 91.213.252.2552012/08/27RIPE NCC
91.214.8.0/2391.214.8.0 - 91.214.9.2552009/05/06RIPE NCC
91.214.10.0/2391.214.10.0 - 91.214.11.2552009/05/06RIPE NCC
91.214.64.0/2291.214.64.0 - 91.214.67.2552018/04/20RIPE NCC
91.214.92.0/2291.214.92.0 - 91.214.95.2552018/04/20RIPE NCC
91.214.127.0/2491.214.127.0 - 91.214.127.2552009/06/04RIPE NCC
91.214.252.0/2291.214.252.0 - 91.214.255.2552009/07/03RIPE NCC
91.215.72.0/2291.215.72.0 - 91.215.75.2552009/07/15RIPE NCC
91.215.100.0/2291.215.100.0 - 91.215.103.2552009/07/23RIPE NCC
91.215.116.0/2291.215.116.0 - 91.215.119.2552009/07/28RIPE NCC
91.216.23.0/2491.216.23.0 - 91.216.23.2552010/04/16RIPE NCC
91.216.33.0/2491.216.33.0 - 91.216.33.2552010/04/21RIPE NCC
91.216.35.0/2491.216.35.0 - 91.216.35.2552010/04/22RIPE NCC
91.216.44.0/2491.216.44.0 - 91.216.44.2552020/12/15RIPE NCC
91.216.45.0/2491.216.45.0 - 91.216.45.2552010/04/26RIPE NCC
91.216.90.0/2491.216.90.0 - 91.216.90.2552010/05/14RIPE NCC
91.216.108.0/2491.216.108.0 - 91.216.108.2552010/05/19RIPE NCC
91.216.128.0/2491.216.128.0 - 91.216.128.2552010/05/25RIPE NCC
91.216.158.0/2491.216.158.0 - 91.216.158.2552010/06/02RIPE NCC
91.216.197.0/2491.216.197.0 - 91.216.197.2552022/07/26RIPE NCC
91.216.216.0/2491.216.216.0 - 91.216.216.2552010/06/24RIPE NCC
91.216.235.0/2491.216.235.0 - 91.216.235.2552010/06/30RIPE NCC
91.216.243.0/2491.216.243.0 - 91.216.243.2552010/07/06RIPE NCC
91.216.245.0/2491.216.245.0 - 91.216.245.2552010/07/06RIPE NCC
91.216.248.0/2491.216.248.0 - 91.216.248.2552010/07/13RIPE NCC
91.217.23.0/2491.217.23.0 - 91.217.23.2552020/11/25RIPE NCC
91.217.26.0/2391.217.26.0 - 91.217.27.2552010/08/20RIPE NCC
91.217.36.0/2391.217.36.0 - 91.217.37.2552010/08/25RIPE NCC
91.217.86.0/2391.217.86.0 - 91.217.87.2552010/09/13RIPE NCC
91.217.131.0/2491.217.131.0 - 91.217.131.2552010/08/13RIPE NCC
91.217.134.0/2491.217.134.0 - 91.217.134.2552020/03/25RIPE NCC
91.217.141.0/2491.217.141.0 - 91.217.141.2552010/08/18RIPE NCC
91.217.145.0/2491.217.145.0 - 91.217.145.2552010/08/19RIPE NCC
91.217.165.0/2491.217.165.0 - 91.217.165.2552010/08/27RIPE NCC
91.217.174.0/2491.217.174.0 - 91.217.174.2552010/08/31RIPE NCC
91.217.175.0/2491.217.175.0 - 91.217.175.2552010/08/31RIPE NCC
91.217.176.0/2491.217.176.0 - 91.217.176.2552010/08/31RIPE NCC
91.217.188.0/2491.217.188.0 - 91.217.188.2552010/09/03RIPE NCC
91.217.192.0/2491.217.192.0 - 91.217.192.2552021/03/29RIPE NCC
91.217.199.0/2491.217.199.0 - 91.217.199.2552010/09/08RIPE NCC
91.217.206.0/2491.217.206.0 - 91.217.206.2552010/09/10RIPE NCC
91.217.214.0/2491.217.214.0 - 91.217.214.2552010/09/13RIPE NCC
91.217.230.0/2491.217.230.0 - 91.217.230.2552010/09/17RIPE NCC
91.217.232.0/2491.217.232.0 - 91.217.232.2552010/09/20RIPE NCC
91.217.251.0/2491.217.251.0 - 91.217.251.2552010/09/27RIPE NCC
91.218.0.0/2291.218.0.0 - 91.218.3.2552010/06/18RIPE NCC
91.218.20.0/2491.218.20.0 - 91.218.20.2552020/05/28RIPE NCC
91.218.23.0/2491.218.23.0 - 91.218.23.2552020/05/29RIPE NCC
91.218.64.0/2291.218.64.0 - 91.218.67.2552018/04/20RIPE NCC
91.219.8.0/2291.219.8.0 - 91.219.11.2552010/08/30RIPE NCC
91.220.10.0/2491.220.10.0 - 91.220.10.2552021/02/02RIPE NCC
91.220.34.0/2491.220.34.0 - 91.220.34.2552010/10/18RIPE NCC
91.220.36.0/2491.220.36.0 - 91.220.36.2552010/10/18RIPE NCC
91.220.49.0/2491.220.49.0 - 91.220.49.2552010/10/19RIPE NCC
91.220.56.0/2491.220.56.0 - 91.220.56.2552010/10/20RIPE NCC
91.220.74.0/2491.220.74.0 - 91.220.74.2552010/10/25RIPE NCC
91.220.97.0/2491.220.97.0 - 91.220.97.2552021/01/20RIPE NCC
91.220.125.0/2491.220.125.0 - 91.220.125.2552010/11/10RIPE NCC
91.220.129.0/2491.220.129.0 - 91.220.129.2552010/11/10RIPE NCC
91.220.134.0/2491.220.134.0 - 91.220.134.2552010/11/11RIPE NCC
91.220.148.0/2491.220.148.0 - 91.220.148.2552010/11/15RIPE NCC
91.220.159.0/2491.220.159.0 - 91.220.159.2552010/11/19RIPE NCC
91.220.185.0/2491.220.185.0 - 91.220.185.2552019/12/23RIPE NCC
91.220.228.0/2491.220.228.0 - 91.220.228.2552010/12/10RIPE NCC
91.220.244.0/2491.220.244.0 - 91.220.244.2552010/12/15RIPE NCC
91.221.8.0/2391.221.8.0 - 91.221.9.2552010/10/14RIPE NCC
91.221.12.0/2391.221.12.0 - 91.221.13.2552010/10/14RIPE NCC
91.221.58.0/2391.221.58.0 - 91.221.59.2552010/10/27RIPE NCC
91.221.104.0/2391.221.104.0 - 91.221.105.2552010/11/12RIPE NCC
91.221.120.0/2391.221.120.0 - 91.221.121.2552010/11/19RIPE NCC
91.221.182.0/2391.221.182.0 - 91.221.183.2552010/12/14RIPE NCC
91.221.204.0/2391.221.204.0 - 91.221.205.2552010/12/20RIPE NCC
91.221.223.0/2491.221.223.0 - 91.221.223.2552024/06/27RIPE NCC
91.221.226.0/2391.221.226.0 - 91.221.227.2552010/12/28RIPE NCC
91.221.250.0/2391.221.250.0 - 91.221.251.2552011/01/04RIPE NCC
91.222.8.0/2291.222.8.0 - 91.222.11.2552011/08/22RIPE NCC
91.222.44.0/2291.222.44.0 - 91.222.47.2552010/11/29RIPE NCC
91.222.96.0/2291.222.96.0 - 91.222.99.2552010/12/09RIPE NCC
91.222.176.0/2291.222.176.0 - 91.222.179.2552010/12/28RIPE NCC
91.222.232.0/2291.222.232.0 - 91.222.235.2552011/01/14RIPE NCC
91.223.2.0/2491.223.2.0 - 91.223.2.2552011/01/11RIPE NCC
91.223.16.0/2491.223.16.0 - 91.223.16.2552011/01/18RIPE NCC
91.223.20.0/2491.223.20.0 - 91.223.20.2552011/01/18RIPE NCC
91.223.41.0/2491.223.41.0 - 91.223.41.2552011/01/24RIPE NCC
91.223.96.0/2491.223.96.0 - 91.223.96.2552011/02/07RIPE NCC
91.223.99.0/2491.223.99.0 - 91.223.99.2552019/11/11RIPE NCC
91.223.102.0/2491.223.102.0 - 91.223.102.2552019/11/11RIPE NCC
91.223.114.0/2491.223.114.0 - 91.223.114.2552011/02/11RIPE NCC
91.223.126.0/2491.223.126.0 - 91.223.126.2552019/11/11RIPE NCC
91.223.129.0/2491.223.129.0 - 91.223.129.2552011/02/15RIPE NCC
91.223.141.0/2491.223.141.0 - 91.223.141.2552011/02/18RIPE NCC
91.223.145.0/2491.223.145.0 - 91.223.145.2552011/02/18RIPE NCC
91.223.151.0/2491.223.151.0 - 91.223.151.2552011/02/21RIPE NCC
91.223.163.0/2491.223.163.0 - 91.223.163.2552019/11/11RIPE NCC
91.223.183.0/2491.223.183.0 - 91.223.183.2552011/03/02RIPE NCC
91.223.198.0/2491.223.198.0 - 91.223.198.2552011/03/07RIPE NCC
91.223.204.0/2491.223.204.0 - 91.223.204.2552011/03/08RIPE NCC
91.223.211.0/2491.223.211.0 - 91.223.211.2552011/03/10RIPE NCC
91.223.228.0/2491.223.228.0 - 91.223.228.2552011/03/14RIPE NCC
91.223.229.0/2491.223.229.0 - 91.223.229.2552020/02/24RIPE NCC
91.223.247.0/2491.223.247.0 - 91.223.247.2552011/03/21RIPE NCC
91.224.158.0/2391.224.158.0 - 91.224.159.2552011/02/21RIPE NCC
91.224.165.0/2491.224.165.0 - 91.224.165.2552023/06/06RIPE NCC
91.224.226.0/2391.224.226.0 - 91.224.227.2552011/03/10RIPE NCC
91.225.3.0/2491.225.3.0 - 91.225.3.2552020/12/03RIPE NCC
91.226.46.0/2391.226.46.0 - 91.226.47.2552011/04/12RIPE NCC
91.226.88.0/2291.226.88.0 - 91.226.91.2552011/04/19RIPE NCC
91.226.162.0/2391.226.162.0 - 91.226.163.2552011/04/21RIPE NCC
91.226.226.0/2491.226.226.0 - 91.226.226.2552021/10/18RIPE NCC
91.226.248.0/2391.226.248.0 - 91.226.249.2552011/04/29RIPE NCC
91.227.20.0/2491.227.20.0 - 91.227.20.2552011/05/02RIPE NCC
91.227.74.0/2491.227.74.0 - 91.227.74.2552021/01/25RIPE NCC
91.227.98.0/2391.227.98.0 - 91.227.99.2552011/05/10RIPE NCC
91.227.187.0/2491.227.187.0 - 91.227.187.2552011/05/17RIPE NCC
91.227.193.0/2491.227.193.0 - 91.227.193.2552011/05/17RIPE NCC
91.228.52.0/2391.228.52.0 - 91.228.53.2552011/05/24RIPE NCC
91.228.64.0/2291.228.64.0 - 91.228.67.2552011/05/25RIPE NCC
91.228.101.0/2491.228.101.0 - 91.228.101.2552012/05/09RIPE NCC
91.228.104.0/2291.228.104.0 - 91.228.107.2552011/05/27RIPE NCC
91.228.135.0/2491.228.135.0 - 91.228.135.2552022/10/18RIPE NCC
91.228.144.0/2491.228.144.0 - 91.228.144.2552011/05/31RIPE NCC
91.228.170.0/2391.228.170.0 - 91.228.171.2552011/06/03RIPE NCC
91.228.172.0/2291.228.172.0 - 91.228.175.2552018/04/23RIPE NCC
91.228.190.0/2391.228.190.0 - 91.228.191.2552011/06/07RIPE NCC
91.228.235.0/2491.228.235.0 - 91.228.235.2552011/06/09RIPE NCC
91.228.243.0/2491.228.243.0 - 91.228.243.2552011/06/09RIPE NCC
91.229.3.0/2491.229.3.0 - 91.229.3.2552011/06/10RIPE NCC
91.229.168.0/2291.229.168.0 - 91.229.171.2552011/06/22RIPE NCC
91.229.178.0/2391.229.178.0 - 91.229.179.2552011/06/23RIPE NCC
91.229.194.0/2391.229.194.0 - 91.229.195.2552011/06/24RIPE NCC
91.229.213.0/2491.229.213.0 - 91.229.213.2552011/09/26RIPE NCC
91.229.229.0/2491.229.229.0 - 91.229.229.2552019/11/11RIPE NCC
91.229.244.0/2391.229.244.0 - 91.229.245.2552019/10/03RIPE NCC
91.229.246.0/2491.229.246.0 - 91.229.246.2552020/01/17RIPE NCC
91.229.248.0/2491.229.248.0 - 91.229.248.2552019/11/11RIPE NCC
91.230.22.0/2491.230.22.0 - 91.230.22.2552011/06/30RIPE NCC
91.230.27.0/2491.230.27.0 - 91.230.27.2552019/11/11RIPE NCC
91.230.47.0/2491.230.47.0 - 91.230.47.2552019/11/11RIPE NCC
91.230.83.0/2491.230.83.0 - 91.230.83.2552011/07/07RIPE NCC
91.230.110.0/2391.230.110.0 - 91.230.111.2552019/10/03RIPE NCC
91.230.160.0/2391.230.160.0 - 91.230.161.2552011/07/15RIPE NCC
91.230.172.0/2291.230.172.0 - 91.230.175.2552011/07/15RIPE NCC
91.231.97.0/2491.231.97.0 - 91.231.97.2552011/09/20RIPE NCC
91.231.220.0/2491.231.220.0 - 91.231.220.2552011/10/05RIPE NCC
91.232.22.0/2391.232.22.0 - 91.232.23.2552019/10/03RIPE NCC
91.232.54.0/2491.232.54.0 - 91.232.54.2552011/10/27RIPE 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