| CIDR | IP地址开始 | IP地址结束 | IP地址数量 | 分配时间 | 注册机构 |
|---|---|---|---|---|---|
| 204.17.217.0/24 | 204.17.217.0 | 204.17.217.255 | 256 | 1994-06-16 | arin |
| 204.17.218.0/24 | 204.17.218.0 | 204.17.218.255 | 256 | 1994-06-16 | arin |
| 204.17.219.0/24 | 204.17.219.0 | 204.17.219.255 | 256 | 2011-05-04 | arin |
| 204.17.220.0/24 | 204.17.220.0 | 204.17.220.255 | 256 | 1994-06-16 | arin |
| 204.17.221.0/24 | 204.17.221.0 | 204.17.221.255 | 256 | 1994-06-16 | arin |
| 204.17.222.0/24 | 204.17.222.0 | 204.17.222.255 | 256 | 1994-06-17 | arin |
| 204.17.223.0/24 | 204.17.223.0 | 204.17.223.255 | 256 | 1994-06-17 | arin |
| 204.17.224.0/24 | 204.17.224.0 | 204.17.224.255 | 256 | 1994-06-17 | arin |
| 204.17.225.0/24 | 204.17.225.0 | 204.17.225.255 | 256 | 1994-06-17 | arin |
| 204.17.226.0/24 | 204.17.226.0 | 204.17.226.255 | 256 | 1994-06-17 | arin |
| 204.17.227.0/24 | 204.17.227.0 | 204.17.227.255 | 256 | 1994-06-17 | arin |
| 204.17.228.0/24 | 204.17.228.0 | 204.17.228.255 | 256 | 1994-06-17 | arin |
| 204.17.229.0/24 | 204.17.229.0 | 204.17.229.255 | 256 | 1994-06-17 | arin |
| 204.17.230.0/23 | 204.17.230.0 | 204.17.231.255 | 512 | 1994-06-17 | arin |
| 204.17.232.0/24 | 204.17.232.0 | 204.17.232.255 | 256 | 1994-06-17 | arin |
| 204.17.233.0/24 | 204.17.233.0 | 204.17.233.255 | 256 | 1994-06-17 | arin |
| 204.17.234.0/24 | 204.17.234.0 | 204.17.234.255 | 256 | 1994-06-17 | arin |
| 204.17.235.0/24 | 204.17.235.0 | 204.17.235.255 | 256 | 1994-06-17 | arin |
| 204.17.236.0/24 | 204.17.236.0 | 204.17.236.255 | 256 | 1994-06-17 | arin |
| 204.17.237.0/24 | 204.17.237.0 | 204.17.237.255 | 256 | 1994-06-17 | arin |
| 204.17.238.0/23 | 204.17.238.0 | 204.17.239.255 | 512 | 1994-06-17 | arin |
| 204.17.240.0/24 | 204.17.240.0 | 204.17.240.255 | 256 | 1994-06-17 | arin |
| 204.17.241.0/24 | 204.17.241.0 | 204.17.241.255 | 256 | 1994-06-17 | arin |
| 204.17.242.0/24 | 204.17.242.0 | 204.17.242.255 | 256 | 1994-06-17 | arin |
| 204.17.243.0/24 | 204.17.243.0 | 204.17.243.255 | 256 | 1994-06-17 | arin |
| 204.17.244.0/22 | 204.17.244.0 | 204.17.247.255 | 1,024 | 1994-06-17 | arin |
| 204.17.248.0/24 | 204.17.248.0 | 204.17.248.255 | 256 | 1994-06-17 | arin |
| 204.17.249.0/24 | 204.17.249.0 | 204.17.249.255 | 256 | 1994-06-20 | arin |
| 204.17.250.0/23 | 204.17.250.0 | 204.17.251.255 | 512 | 1994-06-20 | arin |
| 204.17.252.0/23 | 204.17.252.0 | 204.17.253.255 | 512 | 1994-06-20 | arin |
| 204.17.254.0/24 | 204.17.254.0 | 204.17.254.255 | 256 | 1994-06-20 | arin |
| 204.17.255.0/24 | 204.17.255.0 | 204.17.255.255 | 256 | 2011-05-10 | arin |
| 204.19.0.0/24 | 204.19.0.0 | 204.19.0.255 | 256 | 2021-10-07 | arin |
| 204.19.15.0/24 | 204.19.15.0 | 204.19.15.255 | 256 | 2011-06-09 | arin |
| 204.19.119.0/24 | 204.19.119.0 | 204.19.119.255 | 256 | 2009-03-25 | arin |
| 204.19.129.0/24 | 204.19.129.0 | 204.19.129.255 | 256 | 2011-05-12 | arin |
| 204.19.162.0/24 | 204.19.162.0 | 204.19.162.255 | 256 | 2011-05-13 | arin |
| 204.19.186.0/24 | 204.19.186.0 | 204.19.186.255 | 256 | 2021-04-22 | arin |
| 204.19.204.0/23 | 204.19.204.0 | 204.19.205.255 | 512 | 2011-08-23 | arin |
| 204.19.208.0/24 | 204.19.208.0 | 204.19.208.255 | 256 | 2011-05-17 | arin |
| 204.19.223.0/24 | 204.19.223.0 | 204.19.223.255 | 256 | 2011-05-20 | arin |
| 204.19.238.0/23 | 204.19.238.0 | 204.19.239.255 | 512 | 1994-10-06 | arin |
| 204.19.242.0/24 | 204.19.242.0 | 204.19.242.255 | 256 | 2011-05-26 | arin |
| 204.19.244.0/24 | 204.19.244.0 | 204.19.244.255 | 256 | 2011-05-26 | arin |
| 204.19.255.0/24 | 204.19.255.0 | 204.19.255.255 | 256 | 2011-05-27 | arin |
| 204.20.0.0/15 | 204.20.0.0 | 204.21.255.255 | 131,072 | 1994-10-10 | arin |
| 204.22.0.0/15 | 204.22.0.0 | 204.23.255.255 | 131,072 | 1994-05-10 | arin |
| 204.24.0.0/16 | 204.24.0.0 | 204.24.255.255 | 65,536 | 1994-05-10 | arin |
| 204.25.0.0/17 | 204.25.0.0 | 204.25.127.255 | 32,768 | 1994-05-10 | arin |
| 204.25.128.0/18 | 204.25.128.0 | 204.25.191.255 | 16,384 | 1994-05-10 | arin |
| 204.25.192.0/18 | 204.25.192.0 | 204.25.255.255 | 16,384 | 2021-12-20 | arin |
| 204.26.0.0/21 | 204.26.0.0 | 204.26.7.255 | 2,048 | 1994-05-16 | arin |
| 204.26.8.0/21 | 204.26.8.0 | 204.26.15.255 | 2,048 | 1994-05-25 | arin |
| 204.26.16.0/20 | 204.26.16.0 | 204.26.31.255 | 4,096 | 1994-05-10 | arin |
| 204.26.32.0/20 | 204.26.32.0 | 204.26.47.255 | 4,096 | 1994-06-28 | arin |
| 204.26.48.0/21 | 204.26.48.0 | 204.26.55.255 | 2,048 | 1994-06-28 | arin |
| 204.26.56.0/24 | 204.26.56.0 | 204.26.56.255 | 256 | 1994-06-28 | arin |
| 204.26.57.0/24 | 204.26.57.0 | 204.26.57.255 | 256 | 2009-03-25 | arin |
| 204.26.58.0/23 | 204.26.58.0 | 204.26.59.255 | 512 | 2011-08-23 | arin |
| 204.26.60.0/22 | 204.26.60.0 | 204.26.63.255 | 1,024 | 2008-12-09 | arin |
| 204.26.64.0/18 | 204.26.64.0 | 204.26.127.255 | 16,384 | 1994-06-28 | arin |
| 204.26.128.0/18 | 204.26.128.0 | 204.26.191.255 | 16,384 | 1994-05-23 | arin |
| 204.26.192.0/19 | 204.26.192.0 | 204.26.223.255 | 8,192 | 1994-05-23 | arin |
| 204.26.224.0/20 | 204.26.224.0 | 204.26.239.255 | 4,096 | 1994-05-23 | arin |
| 204.26.240.0/21 | 204.26.240.0 | 204.26.247.255 | 2,048 | 1994-05-23 | arin |
| 204.26.248.0/22 | 204.26.248.0 | 204.26.251.255 | 1,024 | 1994-05-23 | arin |
| 204.26.252.0/23 | 204.26.252.0 | 204.26.253.255 | 512 | 1994-05-23 | arin |
| 204.26.254.0/24 | 204.26.254.0 | 204.26.254.255 | 256 | 1994-05-23 | arin |
| 204.26.255.0/24 | 204.26.255.0 | 204.26.255.255 | 256 | 2011-05-31 | arin |
| 204.27.0.0/20 | 204.27.0.0 | 204.27.15.255 | 4,096 | 1994-05-13 | arin |
| 204.27.16.0/20 | 204.27.16.0 | 204.27.31.255 | 4,096 | 1994-05-05 | arin |
| 204.27.32.0/20 | 204.27.32.0 | 204.27.47.255 | 4,096 | 1994-05-18 | arin |
| 204.27.48.0/22 | 204.27.48.0 | 204.27.51.255 | 1,024 | 1994-05-18 | arin |
| 204.27.56.0/21 | 204.27.56.0 | 204.27.63.255 | 2,048 | 2009-01-16 | arin |
| 204.27.64.0/18 | 204.27.64.0 | 204.27.127.255 | 16,384 | 1994-09-23 | arin |
| 204.27.128.0/24 | 204.27.128.0 | 204.27.128.255 | 256 | 1994-11-09 | arin |
| 204.27.129.0/24 | 204.27.129.0 | 204.27.129.255 | 256 | 1994-11-09 | arin |
| 204.27.130.0/24 | 204.27.130.0 | 204.27.130.255 | 256 | 1994-11-09 | arin |
| 204.27.131.0/24 | 204.27.131.0 | 204.27.131.255 | 256 | 1994-11-09 | arin |
| 204.27.132.0/24 | 204.27.132.0 | 204.27.132.255 | 256 | 1994-11-09 | arin |
| 204.27.133.0/24 | 204.27.133.0 | 204.27.133.255 | 256 | 1994-11-09 | arin |
| 204.27.134.0/24 | 204.27.134.0 | 204.27.134.255 | 256 | 1994-11-09 | arin |
| 204.27.135.0/24 | 204.27.135.0 | 204.27.135.255 | 256 | 1994-11-09 | arin |
| 204.27.136.0/24 | 204.27.136.0 | 204.27.136.255 | 256 | 1994-11-09 | arin |
| 204.27.137.0/24 | 204.27.137.0 | 204.27.137.255 | 256 | 1994-11-09 | arin |
| 204.27.138.0/24 | 204.27.138.0 | 204.27.138.255 | 256 | 1994-11-09 | arin |
| 204.27.139.0/24 | 204.27.139.0 | 204.27.139.255 | 256 | 1994-11-09 | arin |
| 204.27.140.0/24 | 204.27.140.0 | 204.27.140.255 | 256 | 1994-11-09 | arin |
| 204.27.141.0/24 | 204.27.141.0 | 204.27.141.255 | 256 | 1994-11-09 | arin |
| 204.27.142.0/24 | 204.27.142.0 | 204.27.142.255 | 256 | 1994-11-09 | arin |
| 204.27.143.0/24 | 204.27.143.0 | 204.27.143.255 | 256 | 1994-11-09 | arin |
| 204.27.144.0/24 | 204.27.144.0 | 204.27.144.255 | 256 | 1994-11-09 | arin |
| 204.27.145.0/24 | 204.27.145.0 | 204.27.145.255 | 256 | 1994-11-09 | arin |
| 204.27.146.0/24 | 204.27.146.0 | 204.27.146.255 | 256 | 1994-11-09 | arin |
| 204.27.147.0/24 | 204.27.147.0 | 204.27.147.255 | 256 | 1994-11-09 | arin |
| 204.27.148.0/24 | 204.27.148.0 | 204.27.148.255 | 256 | 1994-11-10 | arin |
| 204.27.149.0/24 | 204.27.149.0 | 204.27.149.255 | 256 | 1994-11-10 | arin |
| 204.27.150.0/24 | 204.27.150.0 | 204.27.150.255 | 256 | 1994-11-10 | arin |
| 204.27.151.0/24 | 204.27.151.0 | 204.27.151.255 | 256 | 1994-11-10 | arin |
| 204.27.152.0/24 | 204.27.152.0 | 204.27.152.255 | 256 | 1994-11-10 | arin |
| 204.27.153.0/24 | 204.27.153.0 | 204.27.153.255 | 256 | 1994-11-10 | arin |
| 204.27.154.0/24 | 204.27.154.0 | 204.27.154.255 | 256 | 1994-11-10 | arin |
| 204.27.155.0/24 | 204.27.155.0 | 204.27.155.255 | 256 | 1994-11-10 | arin |
| 204.27.156.0/24 | 204.27.156.0 | 204.27.156.255 | 256 | 1994-11-10 | arin |
| 204.27.157.0/24 | 204.27.157.0 | 204.27.157.255 | 256 | 1994-11-14 | arin |
| 204.27.158.0/24 | 204.27.158.0 | 204.27.158.255 | 256 | 1994-11-15 | arin |
| 204.27.159.0/24 | 204.27.159.0 | 204.27.159.255 | 256 | 1994-11-15 | arin |
| 204.27.160.0/24 | 204.27.160.0 | 204.27.160.255 | 256 | 1994-11-15 | arin |
| 204.27.161.0/24 | 204.27.161.0 | 204.27.161.255 | 256 | 1994-11-15 | arin |
| 204.27.162.0/24 | 204.27.162.0 | 204.27.162.255 | 256 | 1994-11-16 | arin |
| 204.27.163.0/24 | 204.27.163.0 | 204.27.163.255 | 256 | 1994-11-16 | arin |
| 204.27.164.0/24 | 204.27.164.0 | 204.27.164.255 | 256 | 1994-11-16 | arin |
| 204.27.165.0/24 | 204.27.165.0 | 204.27.165.255 | 256 | 1994-11-16 | arin |
| 204.27.166.0/24 | 204.27.166.0 | 204.27.166.255 | 256 | 1994-11-16 | arin |
| 204.27.167.0/24 | 204.27.167.0 | 204.27.167.255 | 256 | 1994-11-16 | arin |
| 204.27.168.0/24 | 204.27.168.0 | 204.27.168.255 | 256 | 1994-11-16 | arin |
| 204.27.169.0/24 | 204.27.169.0 | 204.27.169.255 | 256 | 1994-11-16 | arin |
| 204.27.170.0/24 | 204.27.170.0 | 204.27.170.255 | 256 | 1994-11-16 | arin |
| 204.27.171.0/24 | 204.27.171.0 | 204.27.171.255 | 256 | 1994-11-16 | arin |
| 204.27.172.0/24 | 204.27.172.0 | 204.27.172.255 | 256 | 1994-11-16 | arin |
| 204.27.173.0/24 | 204.27.173.0 | 204.27.173.255 | 256 | 1994-11-16 | arin |
| 204.27.174.0/24 | 204.27.174.0 | 204.27.174.255 | 256 | 1994-11-18 | arin |
| 204.27.175.0/24 | 204.27.175.0 | 204.27.175.255 | 256 | 1994-11-18 | arin |
| 204.27.176.0/24 | 204.27.176.0 | 204.27.176.255 | 256 | 1994-11-18 | arin |
| 204.27.177.0/24 | 204.27.177.0 | 204.27.177.255 | 256 | 1994-11-18 | arin |
| 204.27.178.0/24 | 204.27.178.0 | 204.27.178.255 | 256 | 1994-11-18 | arin |
| 204.27.180.0/24 | 204.27.180.0 | 204.27.180.255 | 256 | 1994-11-18 | arin |
| 204.27.181.0/24 | 204.27.181.0 | 204.27.181.255 | 256 | 1994-11-18 | arin |
| 204.27.182.0/24 | 204.27.182.0 | 204.27.182.255 | 256 | 1994-11-21 | arin |
| 204.27.183.0/24 | 204.27.183.0 | 204.27.183.255 | 256 | 1994-11-21 | arin |
| 204.27.184.0/24 | 204.27.184.0 | 204.27.184.255 | 256 | 1994-11-21 | arin |
| 204.27.185.0/24 | 204.27.185.0 | 204.27.185.255 | 256 | 1994-11-21 | arin |
| 204.27.186.0/24 | 204.27.186.0 | 204.27.186.255 | 256 | 2022-04-12 | arin |
| 204.27.187.0/24 | 204.27.187.0 | 204.27.187.255 | 256 | 1994-11-21 | arin |
| 204.27.188.0/24 | 204.27.188.0 | 204.27.188.255 | 256 | 1994-11-22 | arin |
| 204.27.189.0/24 | 204.27.189.0 | 204.27.189.255 | 256 | 1994-11-22 | arin |
| 204.27.190.0/24 | 204.27.190.0 | 204.27.190.255 | 256 | 1994-11-22 | arin |
| 204.27.191.0/24 | 204.27.191.0 | 204.27.191.255 | 256 | 1994-11-22 | arin |
| 204.27.192.0/24 | 204.27.192.0 | 204.27.192.255 | 256 | 1994-11-22 | arin |
| 204.27.193.0/24 | 204.27.193.0 | 204.27.193.255 | 256 | 1994-11-22 | arin |
| 204.27.194.0/24 | 204.27.194.0 | 204.27.194.255 | 256 | 1994-11-22 | arin |
| 204.27.195.0/24 | 204.27.195.0 | 204.27.195.255 | 256 | 1994-11-22 | arin |
| 204.27.196.0/24 | 204.27.196.0 | 204.27.196.255 | 256 | 1994-11-22 | arin |
| 204.27.197.0/24 | 204.27.197.0 | 204.27.197.255 | 256 | 2012-03-08 | arin |
| 204.27.198.0/24 | 204.27.198.0 | 204.27.198.255 | 256 | 1994-11-22 | arin |
| 204.27.199.0/24 | 204.27.199.0 | 204.27.199.255 | 256 | 1994-11-22 | arin |
| 204.27.200.0/24 | 204.27.200.0 | 204.27.200.255 | 256 | 1994-11-22 | arin |
| 204.27.201.0/24 | 204.27.201.0 | 204.27.201.255 | 256 | 1997-06-16 | arin |
| 204.27.202.0/24 | 204.27.202.0 | 204.27.202.255 | 256 | 1994-11-23 | arin |
| 204.27.203.0/24 | 204.27.203.0 | 204.27.203.255 | 256 | 2021-10-11 | arin |
| 204.27.204.0/24 | 204.27.204.0 | 204.27.204.255 | 256 | 1994-11-23 | arin |
| 204.27.205.0/24 | 204.27.205.0 | 204.27.205.255 | 256 | 1994-11-23 | arin |
| 204.27.206.0/24 | 204.27.206.0 | 204.27.206.255 | 256 | 1994-11-25 | arin |
| 204.27.207.0/24 | 204.27.207.0 | 204.27.207.255 | 256 | 1994-11-28 | arin |
| 204.27.208.0/24 | 204.27.208.0 | 204.27.208.255 | 256 | 1994-11-28 | arin |
| 204.27.209.0/24 | 204.27.209.0 | 204.27.209.255 | 256 | 1994-11-28 | arin |
| 204.27.210.0/24 | 204.27.210.0 | 204.27.210.255 | 256 | 2011-06-01 | arin |
| 204.27.211.0/24 | 204.27.211.0 | 204.27.211.255 | 256 | 1994-11-30 | arin |
| 204.27.212.0/24 | 204.27.212.0 | 204.27.212.255 | 256 | 1994-11-30 | arin |
| 204.27.213.0/24 | 204.27.213.0 | 204.27.213.255 | 256 | 1994-12-01 | arin |
| 204.27.214.0/24 | 204.27.214.0 | 204.27.214.255 | 256 | 1994-12-06 | arin |
| 204.27.215.0/24 | 204.27.215.0 | 204.27.215.255 | 256 | 1994-12-06 | arin |
| 204.27.216.0/24 | 204.27.216.0 | 204.27.216.255 | 256 | 1994-12-07 | arin |
| 204.27.217.0/24 | 204.27.217.0 | 204.27.217.255 | 256 | 1994-12-07 | arin |
| 204.27.218.0/24 | 204.27.218.0 | 204.27.218.255 | 256 | 1994-12-07 | arin |
| 204.27.219.0/24 | 204.27.219.0 | 204.27.219.255 | 256 | 1994-12-07 | arin |
| 204.27.220.0/24 | 204.27.220.0 | 204.27.220.255 | 256 | 1994-12-07 | arin |
| 204.27.221.0/24 | 204.27.221.0 | 204.27.221.255 | 256 | 1994-12-07 | arin |
| 204.27.222.0/24 | 204.27.222.0 | 204.27.222.255 | 256 | 1994-12-07 | arin |
| 204.27.223.0/24 | 204.27.223.0 | 204.27.223.255 | 256 | 1994-12-07 | arin |
| 204.27.225.0/24 | 204.27.225.0 | 204.27.225.255 | 256 | 1994-12-07 | arin |
| 204.27.226.0/24 | 204.27.226.0 | 204.27.226.255 | 256 | 1994-12-07 | arin |
| 204.27.227.0/24 | 204.27.227.0 | 204.27.227.255 | 256 | 1994-12-07 | arin |
| 204.27.228.0/24 | 204.27.228.0 | 204.27.228.255 | 256 | 1994-12-07 | arin |
| 204.27.229.0/24 | 204.27.229.0 | 204.27.229.255 | 256 | 1994-12-07 | arin |
| 204.27.230.0/24 | 204.27.230.0 | 204.27.230.255 | 256 | 1994-12-07 | arin |
| 204.27.231.0/24 | 204.27.231.0 | 204.27.231.255 | 256 | 1994-12-07 | arin |
| 204.27.232.0/24 | 204.27.232.0 | 204.27.232.255 | 256 | 1994-12-08 | arin |
| 204.27.233.0/24 | 204.27.233.0 | 204.27.233.255 | 256 | 1994-12-08 | arin |
| 204.27.234.0/24 | 204.27.234.0 | 204.27.234.255 | 256 | 1994-12-08 | arin |
| 204.27.235.0/24 | 204.27.235.0 | 204.27.235.255 | 256 | 1994-12-08 | arin |
| 204.27.236.0/24 | 204.27.236.0 | 204.27.236.255 | 256 | 1994-12-08 | arin |
| 204.27.237.0/24 | 204.27.237.0 | 204.27.237.255 | 256 | 1994-12-08 | arin |
| 204.27.238.0/24 | 204.27.238.0 | 204.27.238.255 | 256 | 1994-12-08 | arin |
| 204.27.239.0/24 | 204.27.239.0 | 204.27.239.255 | 256 | 1994-12-08 | arin |
| 204.27.240.0/24 | 204.27.240.0 | 204.27.240.255 | 256 | 1994-12-08 | arin |
| 204.27.241.0/24 | 204.27.241.0 | 204.27.241.255 | 256 | 1994-12-08 | arin |
| 204.27.242.0/24 | 204.27.242.0 | 204.27.242.255 | 256 | 1994-12-08 | arin |
| 204.27.243.0/24 | 204.27.243.0 | 204.27.243.255 | 256 | 1994-12-08 | arin |
| 204.27.244.0/24 | 204.27.244.0 | 204.27.244.255 | 256 | 2020-12-18 | arin |
| 204.27.245.0/24 | 204.27.245.0 | 204.27.245.255 | 256 | 1994-12-08 | arin |
| 204.27.246.0/24 | 204.27.246.0 | 204.27.246.255 | 256 | 1994-12-08 | arin |
| 204.27.247.0/24 | 204.27.247.0 | 204.27.247.255 | 256 | 1994-12-08 | arin |
| 204.27.248.0/24 | 204.27.248.0 | 204.27.248.255 | 256 | 1994-12-08 | arin |
| 204.27.249.0/24 | 204.27.249.0 | 204.27.249.255 | 256 | 2016-06-23 | arin |
| 204.27.250.0/24 | 204.27.250.0 | 204.27.250.255 | 256 | 1994-12-09 | arin |
| 204.27.251.0/24 | 204.27.251.0 | 204.27.251.255 | 256 | 1994-12-09 | arin |
| 204.27.252.0/24 | 204.27.252.0 | 204.27.252.255 | 256 | 1994-12-09 | arin |
| 204.27.253.0/24 | 204.27.253.0 | 204.27.253.255 | 256 | 1994-12-09 | arin |
| 204.27.254.0/24 | 204.27.254.0 | 204.27.254.255 | 256 | 1994-12-09 | arin |
| 204.27.255.0/24 | 204.27.255.0 | 204.27.255.255 | 256 | 1994-12-09 | arin |
| 204.28.0.0/21 | 204.28.0.0 | 204.28.7.255 | 2,048 | 1994-05-18 | arin |
| 204.28.8.0/23 | 204.28.8.0 | 204.28.9.255 | 512 | 1994-05-18 | arin |
| 204.28.12.0/22 | 204.28.12.0 | 204.28.15.255 | 1,024 | 2008-12-10 | arin |
| 204.28.16.0/20 | 204.28.16.0 | 204.28.31.255 | 4,096 | 1994-05-12 | arin |
| 204.28.32.0/19 | 204.28.32.0 | 204.28.63.255 | 8,192 | 1994-06-24 | arin |
| 204.28.64.0/19 | 204.28.64.0 | 204.28.95.255 | 8,192 | 1994-05-19 | arin |
| 204.28.96.0/23 | 204.28.96.0 | 204.28.97.255 | 512 | 1994-05-19 | arin |
| 204.28.98.0/24 | 204.28.98.0 | 204.28.98.255 | 256 | 1994-05-19 | arin |
| 204.28.100.0/22 | 204.28.100.0 | 204.28.103.255 | 1,024 | 2008-12-12 | arin |
| 204.28.104.0/21 | 204.28.104.0 | 204.28.111.255 | 2,048 | 2014-07-08 | arin |
| 204.28.112.0/20 | 204.28.112.0 | 204.28.127.255 | 4,096 | 2009-06-10 | arin |
| 204.28.128.0/18 | 204.28.128.0 | 204.28.191.255 | 16,384 | 1994-06-08 | arin |
| 204.28.192.0/20 | 204.28.192.0 | 204.28.207.255 | 4,096 | 1994-06-08 | arin |
| 204.28.208.0/21 | 204.28.208.0 | 204.28.215.255 | 2,048 | 1994-06-08 | arin |
| 204.28.216.0/22 | 204.28.216.0 | 204.28.219.255 | 1,024 | 1994-06-08 | arin |
| 204.28.220.0/23 | 204.28.220.0 | 204.28.221.255 | 512 | 1994-06-08 | arin |
| 204.28.222.0/24 | 204.28.222.0 | 204.28.222.255 | 256 | 1994-06-08 | arin |
| 204.28.223.0/24 | 204.28.223.0 | 204.28.223.255 | 256 | 2011-06-06 | arin |
| 204.28.224.0/20 | 204.28.224.0 | 204.28.239.255 | 4,096 | 2009-06-11 | arin |
| 204.28.240.0/20 | 204.28.240.0 | 204.28.255.255 | 4,096 | 2010-08-20 | arin |
| 204.29.0.0/21 | 204.29.0.0 | 204.29.7.255 | 2,048 | 1994-06-29 | arin |
| 204.29.8.0/23 | 204.29.8.0 | 204.29.9.255 | 512 | 1994-06-29 | arin |
| 204.29.10.0/24 | 204.29.10.0 | 204.29.10.255 | 256 | 1994-06-29 | arin |
| 204.29.11.0/24 | 204.29.11.0 | 204.29.11.255 | 256 | 2011-06-07 | arin |
| 204.29.12.0/22 | 204.29.12.0 | 204.29.15.255 | 1,024 | 2008-12-12 | arin |
| 204.29.16.0/20 | 204.29.16.0 | 204.29.31.255 | 4,096 | 1994-05-12 | arin |
| 204.29.32.0/20 | 204.29.32.0 | 204.29.47.255 | 4,096 | 1994-06-22 | arin |
| 204.29.48.0/21 | 204.29.48.0 | 204.29.55.255 | 2,048 | 1994-06-22 | arin |
| 204.29.56.0/22 | 204.29.56.0 | 204.29.59.255 | 1,024 | 1994-06-22 | arin |
| 204.29.62.0/23 | 204.29.62.0 | 204.29.63.255 | 512 | 1994-06-22 | arin |
| 204.29.64.0/18 | 204.29.64.0 | 204.29.127.255 | 16,384 | 1996-02-07 | arin |
| 204.29.128.0/24 | 204.29.128.0 | 204.29.128.255 | 256 | 1994-06-20 | arin |
| 204.29.129.0/24 | 204.29.129.0 | 204.29.129.255 | 256 | 1994-06-20 | arin |
| 204.29.130.0/24 | 204.29.130.0 | 204.29.130.255 | 256 | 1994-06-20 | arin |
| 204.29.131.0/24 | 204.29.131.0 | 204.29.131.255 | 256 | 1994-06-20 | arin |
| 204.29.132.0/23 | 204.29.132.0 | 204.29.133.255 | 512 | 1994-06-20 | arin |
| 204.29.134.0/24 | 204.29.134.0 | 204.29.134.255 | 256 | 1994-06-21 | arin |
| 204.29.135.0/24 | 204.29.135.0 | 204.29.135.255 | 256 | 1994-06-21 | arin |
| 204.29.136.0/24 | 204.29.136.0 | 204.29.136.255 | 256 | 1994-06-21 | arin |
| 204.29.137.0/24 | 204.29.137.0 | 204.29.137.255 | 256 | 1994-06-21 | arin |
| 204.29.138.0/24 | 204.29.138.0 | 204.29.138.255 | 256 | 1994-06-21 | arin |
| 204.29.139.0/24 | 204.29.139.0 | 204.29.139.255 | 256 | 1994-06-21 | arin |
| 204.29.140.0/24 | 204.29.140.0 | 204.29.140.255 | 256 | 1994-06-21 | arin |
| 204.29.141.0/24 | 204.29.141.0 | 204.29.141.255 | 256 | 1994-06-21 | arin |
| 204.29.142.0/24 | 204.29.142.0 | 204.29.142.255 | 256 | 1994-06-21 | arin |
| 204.29.143.0/24 | 204.29.143.0 | 204.29.143.255 | 256 | 1994-06-21 | arin |
| 204.29.144.0/24 | 204.29.144.0 | 204.29.144.255 | 256 | 1994-06-21 | arin |
| 204.29.145.0/24 | 204.29.145.0 | 204.29.145.255 | 256 | 1994-06-21 | arin |
| 204.29.147.0/24 | 204.29.147.0 | 204.29.147.255 | 256 | 1994-06-22 | arin |
| 204.29.148.0/24 | 204.29.148.0 | 204.29.148.255 | 256 | 1994-06-22 | arin |
| 204.29.149.0/24 | 204.29.149.0 | 204.29.149.255 | 256 | 1994-06-22 | arin |
| 204.29.150.0/23 | 204.29.150.0 | 204.29.151.255 | 512 | 1994-06-22 | arin |
| 204.29.152.0/23 | 204.29.152.0 | 204.29.153.255 | 512 | 1994-06-22 | arin |
| 204.29.154.0/24 | 204.29.154.0 | 204.29.154.255 | 256 | 1994-06-22 | arin |
| 204.29.155.0/24 | 204.29.155.0 | 204.29.155.255 | 256 | 1994-06-22 | arin |
| 204.29.156.0/23 | 204.29.156.0 | 204.29.157.255 | 512 | 1994-06-22 | arin |
| 204.29.158.0/24 | 204.29.158.0 | 204.29.158.255 | 256 | 1994-06-22 | arin |
| 204.29.159.0/24 | 204.29.159.0 | 204.29.159.255 | 256 | 1994-06-22 | arin |
| 204.29.160.0/24 | 204.29.160.0 | 204.29.160.255 | 256 | 1994-06-22 | arin |
| 204.29.162.0/24 | 204.29.162.0 | 204.29.162.255 | 256 | 1994-06-22 | arin |
| 204.29.163.0/24 | 204.29.163.0 | 204.29.163.255 | 256 | 2011-07-11 | arin |
| 204.29.164.0/24 | 204.29.164.0 | 204.29.164.255 | 256 | 1994-06-22 | arin |
| 204.29.165.0/24 | 204.29.165.0 | 204.29.165.255 | 256 | 1994-06-22 | arin |
| 204.29.166.0/23 | 204.29.166.0 | 204.29.167.255 | 512 | 1994-06-23 | arin |
| 204.29.168.0/24 | 204.29.168.0 | 204.29.168.255 | 256 | 1994-06-23 | arin |
| 204.29.169.0/24 | 204.29.169.0 | 204.29.169.255 | 256 | 1994-06-23 | arin |
| 204.29.170.0/24 | 204.29.170.0 | 204.29.170.255 | 256 | 1994-06-23 | arin |
| 204.29.171.0/24 | 204.29.171.0 | 204.29.171.255 | 256 | 2011-07-14 | arin |
| 204.29.172.0/23 | 204.29.172.0 | 204.29.173.255 | 512 | 1994-06-23 | arin |
| 204.29.174.0/24 | 204.29.174.0 | 204.29.174.255 | 256 | 1994-06-23 | arin |
| 204.29.175.0/24 | 204.29.175.0 | 204.29.175.255 | 256 | 1994-06-23 | arin |
| 204.29.176.0/22 | 204.29.176.0 | 204.29.179.255 | 1,024 | 1994-06-23 | arin |
| 204.29.180.0/24 | 204.29.180.0 | 204.29.180.255 | 256 | 1994-06-23 | arin |
| 204.29.181.0/24 | 204.29.181.0 | 204.29.181.255 | 256 | 1994-06-23 | arin |
| 204.29.182.0/24 | 204.29.182.0 | 204.29.182.255 | 256 | 1994-06-23 | arin |
| 204.29.183.0/24 | 204.29.183.0 | 204.29.183.255 | 256 | 1994-06-23 | arin |
| 204.29.184.0/24 | 204.29.184.0 | 204.29.184.255 | 256 | 1994-06-23 | arin |
| 204.29.185.0/24 | 204.29.185.0 | 204.29.185.255 | 256 | 2011-11-10 | arin |
| 204.29.186.0/23 | 204.29.186.0 | 204.29.187.255 | 512 | 1996-12-05 | arin |
| 204.29.188.0/24 | 204.29.188.0 | 204.29.188.255 | 256 | 1994-06-23 | arin |
| 204.29.189.0/24 | 204.29.189.0 | 204.29.189.255 | 256 | 2011-07-15 | arin |
| 204.29.190.0/24 | 204.29.190.0 | 204.29.190.255 | 256 | 1994-06-24 | arin |
| 204.29.191.0/24 | 204.29.191.0 | 204.29.191.255 | 256 | 1994-06-24 | arin |
| 204.29.192.0/24 | 204.29.192.0 | 204.29.192.255 | 256 | 1994-06-24 | arin |
| 204.29.193.0/24 | 204.29.193.0 | 204.29.193.255 | 256 | 2011-07-18 | arin |
| 204.29.194.0/24 | 204.29.194.0 | 204.29.194.255 | 256 | 1994-06-24 | arin |
| 204.29.195.0/24 | 204.29.195.0 | 204.29.195.255 | 256 | 1994-06-24 | arin |
| 204.29.196.0/23 | 204.29.196.0 | 204.29.197.255 | 512 | 2011-08-29 | arin |
| 204.29.198.0/24 | 204.29.198.0 | 204.29.198.255 | 256 | 1994-06-28 | arin |
| 204.29.199.0/24 | 204.29.199.0 | 204.29.199.255 | 256 | 1994-06-28 | arin |
| 204.29.200.0/24 | 204.29.200.0 | 204.29.200.255 | 256 | 1994-06-28 | arin |
| 204.29.201.0/24 | 204.29.201.0 | 204.29.201.255 | 256 | 1994-06-29 | arin |
| 204.29.202.0/23 | 204.29.202.0 | 204.29.203.255 | 512 | 1994-06-29 | arin |
| 204.29.204.0/24 | 204.29.204.0 | 204.29.204.255 | 256 | 1994-06-29 | arin |
| 204.29.205.0/24 | 204.29.205.0 | 204.29.205.255 | 256 | 1994-06-29 | arin |
| 204.29.206.0/24 | 204.29.206.0 | 204.29.206.255 | 256 | 1994-06-28 | arin |
| 204.29.207.0/24 | 204.29.207.0 | 204.29.207.255 | 256 | 2019-09-16 | arin |
| 204.29.208.0/24 | 204.29.208.0 | 204.29.208.255 | 256 | 1994-06-28 | arin |
| 204.29.209.0/24 | 204.29.209.0 | 204.29.209.255 | 256 | 2019-02-05 | arin |
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