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。


1601-1800 of 10648 rows
CIDRIPアドレス割り振り日レジストリ
80.190.88.0/2180.190.88.0 - 80.190.95.2552002/07/17RIPE NCC
80.190.96.0/1980.190.96.0 - 80.190.127.2552002/07/17RIPE NCC
80.190.128.0/1780.190.128.0 - 80.190.255.2552002/07/17RIPE NCC
80.208.208.0/2180.208.208.0 - 80.208.215.2552001/12/12RIPE NCC
80.208.232.0/2180.208.232.0 - 80.208.239.2552001/12/12RIPE NCC
80.208.255.0/2480.208.255.0 - 80.208.255.2552001/12/12RIPE NCC
80.209.192.0/1980.209.192.0 - 80.209.223.2552001/12/12RIPE NCC
80.209.244.0/2280.209.244.0 - 80.209.247.2552001/12/12RIPE NCC
80.226.0.0/1680.226.0.0 - 80.226.255.2552001/12/12RIPE NCC
80.228.0.0/1780.228.0.0 - 80.228.127.2552001/12/18RIPE NCC
80.228.128.0/1780.228.128.0 - 80.228.255.2552003/02/14RIPE NCC
80.237.128.0/2380.237.128.0 - 80.237.129.2552001/11/12RIPE NCC
80.237.130.0/2480.237.130.0 - 80.237.130.2552001/11/12RIPE NCC
80.237.131.0/2480.237.131.0 - 80.237.131.2552001/11/12RIPE NCC
80.237.132.0/2380.237.132.0 - 80.237.133.2552001/11/12RIPE NCC
80.237.134.0/2480.237.134.0 - 80.237.134.2552001/11/12RIPE NCC
80.237.135.0/2480.237.135.0 - 80.237.135.2552001/11/12RIPE NCC
80.237.136.0/2280.237.136.0 - 80.237.139.2552001/11/12RIPE NCC
80.237.140.0/2380.237.140.0 - 80.237.141.2552001/11/12RIPE NCC
80.237.142.0/2380.237.142.0 - 80.237.143.2552001/11/12RIPE NCC
80.237.144.0/2180.237.144.0 - 80.237.151.2552001/11/12RIPE NCC
80.237.152.0/2180.237.152.0 - 80.237.159.2552001/11/12RIPE NCC
80.237.160.0/2080.237.160.0 - 80.237.175.2552001/11/12RIPE NCC
80.237.176.0/2380.237.176.0 - 80.237.177.2552001/11/12RIPE NCC
80.237.178.0/2380.237.178.0 - 80.237.179.2552001/11/12RIPE NCC
80.237.180.0/2280.237.180.0 - 80.237.183.2552001/11/12RIPE NCC
80.237.184.0/2180.237.184.0 - 80.237.191.2552001/11/12RIPE NCC
80.237.192.0/2380.237.192.0 - 80.237.193.2552001/11/12RIPE NCC
80.237.194.0/2380.237.194.0 - 80.237.195.2552001/11/12RIPE NCC
80.237.196.0/2280.237.196.0 - 80.237.199.2552001/11/12RIPE NCC
80.237.200.0/2180.237.200.0 - 80.237.207.2552001/11/12RIPE NCC
80.237.208.0/2280.237.208.0 - 80.237.211.2552001/11/12RIPE NCC
80.237.212.0/2480.237.212.0 - 80.237.212.2552001/11/12RIPE NCC
80.237.213.0/2480.237.213.0 - 80.237.213.2552001/11/12RIPE NCC
80.237.214.0/2380.237.214.0 - 80.237.215.2552001/11/12RIPE NCC
80.237.216.0/2180.237.216.0 - 80.237.223.2552001/11/12RIPE NCC
80.237.224.0/2080.237.224.0 - 80.237.239.2552001/11/12RIPE NCC
80.237.240.0/2180.237.240.0 - 80.237.247.2552001/11/12RIPE NCC
80.237.248.0/2380.237.248.0 - 80.237.249.2552001/11/12RIPE NCC
80.237.250.0/2480.237.250.0 - 80.237.250.2552001/11/12RIPE NCC
80.237.251.0/2480.237.251.0 - 80.237.251.2552001/11/12RIPE NCC
80.237.252.0/2280.237.252.0 - 80.237.255.2552001/11/12RIPE NCC
80.241.56.0/2180.241.56.0 - 80.241.63.2552012/08/09RIPE NCC
80.241.192.0/2080.241.192.0 - 80.241.207.2552001/10/22RIPE NCC
80.241.208.0/2080.241.208.0 - 80.241.223.2552011/02/14RIPE NCC
80.242.128.0/1980.242.128.0 - 80.242.159.2552001/10/24RIPE NCC
80.242.160.0/2080.242.160.0 - 80.242.175.2552001/10/26RIPE NCC
80.242.176.0/2080.242.176.0 - 80.242.191.2552002/12/09RIPE NCC
80.243.32.0/2080.243.32.0 - 80.243.47.2552001/10/29RIPE NCC
80.243.48.0/2080.243.48.0 - 80.243.63.2552002/07/18RIPE NCC
80.243.192.0/2080.243.192.0 - 80.243.207.2552001/10/30RIPE NCC
80.244.3.0/2480.244.3.0 - 80.244.3.2552024/01/24RIPE NCC
80.244.208.0/2080.244.208.0 - 80.244.223.2552005/09/27RIPE NCC
80.244.240.0/2080.244.240.0 - 80.244.255.2552005/09/30RIPE NCC
80.245.64.0/2180.245.64.0 - 80.245.71.2552001/11/05RIPE NCC
80.245.72.0/2180.245.72.0 - 80.245.79.2552001/11/05RIPE NCC
80.245.104.0/2280.245.104.0 - 80.245.107.2552018/08/15RIPE NCC
80.245.108.0/2280.245.108.0 - 80.245.111.2552018/08/15RIPE NCC
80.245.128.0/2280.245.128.0 - 80.245.131.2552001/11/06RIPE NCC
80.245.132.0/2280.245.132.0 - 80.245.135.2552001/11/06RIPE NCC
80.245.136.0/2180.245.136.0 - 80.245.143.2552001/11/06RIPE NCC
80.245.144.0/2080.245.144.0 - 80.245.159.2552005/10/07RIPE NCC
80.246.32.0/2080.246.32.0 - 80.246.47.2552001/11/07RIPE NCC
80.246.48.0/2080.246.48.0 - 80.246.63.2552009/04/28RIPE NCC
80.246.112.0/2080.246.112.0 - 80.246.127.2552005/10/13RIPE NCC
80.249.116.0/2280.249.116.0 - 80.249.119.2552018/08/15RIPE NCC
80.250.128.0/2080.250.128.0 - 80.250.143.2552001/11/30RIPE NCC
80.251.80.0/2080.251.80.0 - 80.251.95.2552005/11/15RIPE NCC
80.252.32.0/2080.252.32.0 - 80.252.47.2552001/12/07RIPE NCC
80.252.96.0/2080.252.96.0 - 80.252.111.2552001/12/10RIPE NCC
80.253.208.0/2080.253.208.0 - 80.253.223.2552005/12/01RIPE NCC
80.254.128.0/2080.254.128.0 - 80.254.143.2552001/12/17RIPE NCC
80.255.0.0/2080.255.0.0 - 80.255.15.2552009/04/16RIPE NCC
81.0.218.0/2381.0.218.0 - 81.0.219.2552001/12/14RIPE NCC
81.0.220.0/2381.0.220.0 - 81.0.221.2552001/12/14RIPE NCC
81.0.246.0/2381.0.246.0 - 81.0.247.2552001/12/14RIPE NCC
81.0.248.0/2381.0.248.0 - 81.0.249.2552001/12/14RIPE NCC
81.3.0.0/1881.3.0.0 - 81.3.63.2552002/04/08RIPE NCC
81.7.0.0/1881.7.0.0 - 81.7.63.2552009/09/18RIPE NCC
81.7.192.0/1981.7.192.0 - 81.7.223.2552002/09/10RIPE NCC
81.11.0.0/1781.11.0.0 - 81.11.127.2552002/04/18RIPE NCC
81.14.128.0/1781.14.128.0 - 81.14.255.2552002/08/01RIPE NCC
81.16.16.0/2281.16.16.0 - 81.16.19.2552018/08/15RIPE NCC
81.16.20.0/2281.16.20.0 - 81.16.23.2552018/08/16RIPE NCC
81.16.28.0/2281.16.28.0 - 81.16.31.2552018/08/16RIPE NCC
81.16.48.0/2081.16.48.0 - 81.16.63.2552005/01/06RIPE NCC
81.16.178.0/2381.16.178.0 - 81.16.179.2552005/02/28RIPE NCC
81.16.180.0/2281.16.180.0 - 81.16.183.2552005/02/28RIPE NCC
81.17.96.0/2181.17.96.0 - 81.17.103.2552002/01/09RIPE NCC
81.17.104.0/2181.17.104.0 - 81.17.111.2552002/01/09RIPE NCC
81.17.112.0/2181.17.112.0 - 81.17.119.2552003/08/04RIPE NCC
81.17.120.0/2281.17.120.0 - 81.17.123.2552003/08/04RIPE NCC
81.17.124.0/2281.17.124.0 - 81.17.127.2552003/08/04RIPE NCC
81.17.208.0/2081.17.208.0 - 81.17.223.2552005/11/08RIPE NCC
81.18.96.0/2081.18.96.0 - 81.18.111.2552002/01/17RIPE NCC
81.20.80.0/2081.20.80.0 - 81.20.95.2552006/01/06RIPE NCC
81.20.112.0/2081.20.112.0 - 81.20.127.2552006/01/09RIPE NCC
81.20.128.0/2081.20.128.0 - 81.20.143.2552008/12/12RIPE NCC
81.21.64.0/2081.21.64.0 - 81.21.79.2552002/02/15RIPE NCC
81.22.36.0/2281.22.36.0 - 81.22.39.2552018/08/17RIPE NCC
81.24.32.0/2081.24.32.0 - 81.24.47.2552002/03/12RIPE NCC
81.24.64.0/2081.24.64.0 - 81.24.79.2552002/03/13RIPE NCC
81.25.160.0/2081.25.160.0 - 81.25.175.2552002/03/25RIPE NCC
81.26.160.0/2081.26.160.0 - 81.26.175.2552009/03/16RIPE NCC
81.27.112.0/2081.27.112.0 - 81.27.127.2552006/03/09RIPE NCC
81.27.160.0/2081.27.160.0 - 81.27.175.2552002/04/12RIPE NCC
81.27.224.0/2281.27.224.0 - 81.27.227.2552002/04/15RIPE NCC
81.27.228.0/2281.27.228.0 - 81.27.231.2552002/04/15RIPE NCC
81.27.232.0/2281.27.232.0 - 81.27.235.2552002/04/15RIPE NCC
81.27.236.0/2381.27.236.0 - 81.27.237.2552002/04/15RIPE NCC
81.27.238.0/2481.27.238.0 - 81.27.238.2552002/04/15RIPE NCC
81.27.239.0/2481.27.239.0 - 81.27.239.2552002/04/15RIPE NCC
81.28.64.0/2081.28.64.0 - 81.28.79.2552002/04/17RIPE NCC
81.28.224.0/2081.28.224.0 - 81.28.239.2552002/04/24RIPE NCC
81.30.111.0/2481.30.111.0 - 81.30.111.2552024/06/25RIPE NCC
81.30.144.0/2081.30.144.0 - 81.30.159.2552010/03/12RIPE NCC
81.31.199.0/2481.31.199.0 - 81.31.199.2552021/06/04RIPE NCC
81.88.16.0/2081.88.16.0 - 81.88.31.2552004/03/01RIPE NCC
81.88.32.0/2081.88.32.0 - 81.88.47.2552002/06/12RIPE NCC
81.89.88.0/2181.89.88.0 - 81.89.95.2552012/02/06RIPE NCC
81.89.96.0/2081.89.96.0 - 81.89.111.2552008/02/27RIPE NCC
81.89.160.0/2081.89.160.0 - 81.89.175.2552002/06/27RIPE NCC
81.89.192.0/2081.89.192.0 - 81.89.207.2552002/07/01RIPE NCC
81.89.224.0/2081.89.224.0 - 81.89.239.2552002/07/01RIPE NCC
81.89.240.0/2081.89.240.0 - 81.89.255.2552002/11/18RIPE NCC
81.90.32.0/2081.90.32.0 - 81.90.47.2552002/07/02RIPE NCC
81.90.192.0/2081.90.192.0 - 81.90.207.2552002/07/09RIPE NCC
81.91.16.0/2181.91.16.0 - 81.91.23.2552012/08/30RIPE NCC
81.91.104.0/2181.91.104.0 - 81.91.111.2552002/07/16RIPE NCC
81.91.160.0/2081.91.160.0 - 81.91.175.2552002/07/18RIPE NCC
81.92.0.0/2081.92.0.0 - 81.92.15.2552002/07/24RIPE NCC
81.92.16.0/2081.92.16.0 - 81.92.31.2552006/04/27RIPE NCC
81.92.160.0/2081.92.160.0 - 81.92.175.2552002/07/31RIPE NCC
81.93.112.0/2081.93.112.0 - 81.93.127.2552006/05/09RIPE NCC
81.95.0.0/2081.95.0.0 - 81.95.15.2552002/08/23RIPE NCC
81.160.0.0/1781.160.0.0 - 81.160.127.2552003/11/12RIPE NCC
81.161.62.0/2481.161.62.0 - 81.161.62.2552024/10/07RIPE NCC
81.161.80.0/2081.161.80.0 - 81.161.95.2552012/07/16RIPE NCC
81.163.192.0/2281.163.192.0 - 81.163.195.2552018/06/19RIPE NCC
81.169.128.0/1781.169.128.0 - 81.169.255.2552003/04/17RIPE NCC
81.173.6.0/2481.173.6.0 - 81.173.6.2552003/02/19RIPE NCC
81.173.112.0/2281.173.112.0 - 81.173.115.2552003/02/19RIPE NCC
81.173.128.0/1781.173.128.0 - 81.173.255.2552003/02/19RIPE NCC
81.200.96.0/2081.200.96.0 - 81.200.111.2552002/09/27RIPE NCC
81.200.192.0/2081.200.192.0 - 81.200.207.2552002/10/02RIPE NCC
81.201.32.0/2081.201.32.0 - 81.201.47.2552002/10/10RIPE NCC
81.201.144.0/2081.201.144.0 - 81.201.159.2552006/06/20RIPE NCC
81.201.224.0/2081.201.224.0 - 81.201.239.2552002/10/17RIPE NCC
81.209.128.0/1781.209.128.0 - 81.209.255.2552002/10/09RIPE NCC
81.210.128.0/1781.210.128.0 - 81.210.255.2552002/11/01RIPE NCC
82.82.0.0/1582.82.0.0 - 82.83.255.2552003/05/26RIPE NCC
82.96.64.0/1882.96.64.0 - 82.96.127.2552003/11/11RIPE NCC
82.97.64.0/1882.97.64.0 - 82.97.127.2552003/12/01RIPE NCC
82.97.128.0/1882.97.128.0 - 82.97.191.2552003/12/02RIPE NCC
82.98.64.0/1882.98.64.0 - 82.98.127.2552003/12/04RIPE NCC
82.98.200.0/2182.98.200.0 - 82.98.207.2552003/12/09RIPE NCC
82.98.208.0/2082.98.208.0 - 82.98.223.2552003/12/09RIPE NCC
82.98.224.0/2182.98.224.0 - 82.98.231.2552003/12/09RIPE NCC
82.100.192.0/1882.100.192.0 - 82.100.255.2552003/12/18RIPE NCC
82.112.224.0/1982.112.224.0 - 82.112.255.2552003/12/10RIPE NCC
82.113.96.0/1982.113.96.0 - 82.113.127.2552003/12/12RIPE NCC
82.115.96.0/1982.115.96.0 - 82.115.127.2552004/01/15RIPE NCC
82.115.216.0/2282.115.216.0 - 82.115.219.2552018/08/21RIPE NCC
82.116.96.0/1982.116.96.0 - 82.116.127.2552004/01/22RIPE NCC
82.118.32.0/1982.118.32.0 - 82.118.63.2552004/02/12RIPE NCC
82.119.0.0/1982.119.0.0 - 82.119.31.2552004/02/16RIPE NCC
82.119.160.0/1982.119.160.0 - 82.119.191.2552004/07/21RIPE NCC
82.135.0.0/1782.135.0.0 - 82.135.127.2552003/09/12RIPE NCC
82.139.192.0/1882.139.192.0 - 82.139.255.2552003/08/01RIPE NCC
82.140.0.0/1882.140.0.0 - 82.140.63.2552003/08/04RIPE NCC
82.141.0.0/1882.141.0.0 - 82.141.63.2552003/08/18RIPE NCC
82.144.32.0/1982.144.32.0 - 82.144.63.2552003/05/30RIPE NCC
82.145.0.0/1982.145.0.0 - 82.145.31.2552003/06/05RIPE NCC
82.145.192.0/2082.145.192.0 - 82.145.207.2552010/12/07RIPE NCC
82.149.64.0/2182.149.64.0 - 82.149.71.2552003/08/04RIPE NCC
82.149.72.0/2182.149.72.0 - 82.149.79.2552003/08/04RIPE NCC
82.149.80.0/2282.149.80.0 - 82.149.83.2552003/08/04RIPE NCC
82.149.84.0/2282.149.84.0 - 82.149.87.2552003/08/04RIPE NCC
82.149.88.0/2182.149.88.0 - 82.149.95.2552003/08/04RIPE NCC
82.149.160.0/1982.149.160.0 - 82.149.191.2552003/08/12RIPE NCC
82.149.224.0/1982.149.224.0 - 82.149.255.2552003/08/13RIPE NCC
82.150.224.0/1982.150.224.0 - 82.150.255.2552003/08/28RIPE NCC
82.165.0.0/1682.165.0.0 - 82.165.255.2552003/08/06RIPE NCC
82.180.64.0/1982.180.64.0 - 82.180.95.2552003/10/09RIPE NCC
82.180.96.0/1982.180.96.0 - 82.180.127.2552003/10/09RIPE NCC
82.180.128.0/2082.180.128.0 - 82.180.143.2552003/10/09RIPE NCC
82.180.144.0/2082.180.144.0 - 82.180.159.2552003/10/09RIPE NCC
82.180.160.0/2082.180.160.0 - 82.180.175.2552003/10/09RIPE NCC
82.180.176.0/2082.180.176.0 - 82.180.191.2552003/10/09RIPE NCC
82.192.98.0/2382.192.98.0 - 82.192.99.2552003/09/23RIPE NCC
82.192.192.0/1982.192.192.0 - 82.192.223.2552003/09/29RIPE NCC
82.193.224.0/1982.193.224.0 - 82.193.255.2552003/10/13RIPE NCC
82.194.96.0/1982.194.96.0 - 82.194.127.2552003/10/17RIPE NCC
82.195.64.0/1982.195.64.0 - 82.195.95.2552003/10/24RIPE NCC
82.197.64.0/2182.197.64.0 - 82.197.71.2552003/11/06RIPE NCC
82.197.76.0/2282.197.76.0 - 82.197.79.2552003/11/06RIPE NCC
82.197.80.0/2082.197.80.0 - 82.197.95.2552003/11/06RIPE NCC
82.197.128.0/1982.197.128.0 - 82.197.159.2552003/11/07RIPE NCC
82.198.64.0/1982.198.64.0 - 82.198.95.2552003/11/14RIPE NCC
82.198.192.0/1982.198.192.0 - 82.198.223.2552003/11/19RIPE 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