| CIDR | IP地址开始 | IP地址结束 | IP地址数量 | 分配时间 | 注册机构 |
|---|---|---|---|---|---|
| 204.152.6.0/23 | 204.152.6.0 | 204.152.7.255 | 512 | 2011-01-27 | arin |
| 204.152.8.0/23 | 204.152.8.0 | 204.152.9.255 | 512 | 1994-09-23 | arin |
| 204.152.10.0/23 | 204.152.10.0 | 204.152.11.255 | 512 | 1994-09-23 | arin |
| 204.152.12.0/23 | 204.152.12.0 | 204.152.13.255 | 512 | 1994-09-28 | arin |
| 204.152.16.0/23 | 204.152.16.0 | 204.152.17.255 | 512 | 1994-10-17 | arin |
| 204.152.18.0/23 | 204.152.18.0 | 204.152.19.255 | 512 | 2011-01-31 | arin |
| 204.152.20.0/23 | 204.152.20.0 | 204.152.21.255 | 512 | 1994-10-17 | arin |
| 204.152.22.0/23 | 204.152.22.0 | 204.152.23.255 | 512 | 2022-04-11 | arin |
| 204.152.24.0/23 | 204.152.24.0 | 204.152.25.255 | 512 | 2023-06-14 | arin |
| 204.152.26.0/23 | 204.152.26.0 | 204.152.27.255 | 512 | 1994-10-31 | arin |
| 204.152.28.0/23 | 204.152.28.0 | 204.152.29.255 | 512 | 1994-10-31 | arin |
| 204.152.30.0/23 | 204.152.30.0 | 204.152.31.255 | 512 | 1994-11-01 | arin |
| 204.152.32.0/23 | 204.152.32.0 | 204.152.33.255 | 512 | 1994-11-01 | arin |
| 204.152.34.0/23 | 204.152.34.0 | 204.152.35.255 | 512 | 1994-11-03 | arin |
| 204.152.36.0/23 | 204.152.36.0 | 204.152.37.255 | 512 | 1994-11-10 | arin |
| 204.152.38.0/23 | 204.152.38.0 | 204.152.39.255 | 512 | 2011-02-03 | arin |
| 204.152.40.0/23 | 204.152.40.0 | 204.152.41.255 | 512 | 1994-11-15 | arin |
| 204.152.42.0/23 | 204.152.42.0 | 204.152.43.255 | 512 | 1994-11-18 | arin |
| 204.152.44.0/23 | 204.152.44.0 | 204.152.45.255 | 512 | 1994-11-18 | arin |
| 204.152.46.0/23 | 204.152.46.0 | 204.152.47.255 | 512 | 1994-11-30 | arin |
| 204.152.48.0/23 | 204.152.48.0 | 204.152.49.255 | 512 | 1994-11-30 | arin |
| 204.152.50.0/23 | 204.152.50.0 | 204.152.51.255 | 512 | 2011-02-07 | arin |
| 204.152.52.0/23 | 204.152.52.0 | 204.152.53.255 | 512 | 1994-12-02 | arin |
| 204.152.54.0/23 | 204.152.54.0 | 204.152.55.255 | 512 | 1994-12-08 | arin |
| 204.152.56.0/23 | 204.152.56.0 | 204.152.57.255 | 512 | 1994-12-08 | arin |
| 204.152.58.0/23 | 204.152.58.0 | 204.152.59.255 | 512 | 1994-12-08 | arin |
| 204.152.60.0/23 | 204.152.60.0 | 204.152.61.255 | 512 | 1994-12-11 | arin |
| 204.152.62.0/23 | 204.152.62.0 | 204.152.63.255 | 512 | 1994-12-12 | arin |
| 204.152.64.0/23 | 204.152.64.0 | 204.152.65.255 | 512 | 1994-12-13 | arin |
| 204.152.66.0/23 | 204.152.66.0 | 204.152.67.255 | 512 | 1994-12-19 | arin |
| 204.152.68.0/23 | 204.152.68.0 | 204.152.69.255 | 512 | 1994-12-19 | arin |
| 204.152.70.0/23 | 204.152.70.0 | 204.152.71.255 | 512 | 1994-12-22 | arin |
| 204.152.72.0/23 | 204.152.72.0 | 204.152.73.255 | 512 | 1994-12-23 | arin |
| 204.152.74.0/23 | 204.152.74.0 | 204.152.75.255 | 512 | 1995-01-03 | arin |
| 204.152.76.0/23 | 204.152.76.0 | 204.152.77.255 | 512 | 1995-01-07 | arin |
| 204.152.78.0/24 | 204.152.78.0 | 204.152.78.255 | 256 | 1995-01-12 | apnic |
| 204.152.79.0/24 | 204.152.79.0 | 204.152.79.255 | 256 | 1995-01-12 | arin |
| 204.152.82.0/23 | 204.152.82.0 | 204.152.83.255 | 512 | 1995-01-20 | arin |
| 204.152.84.0/22 | 204.152.84.0 | 204.152.87.255 | 1,024 | 1995-01-20 | arin |
| 204.152.88.0/23 | 204.152.88.0 | 204.152.89.255 | 512 | 1995-01-20 | arin |
| 204.152.90.0/23 | 204.152.90.0 | 204.152.91.255 | 512 | 2011-02-09 | arin |
| 204.152.92.0/22 | 204.152.92.0 | 204.152.95.255 | 1,024 | 2009-01-28 | arin |
| 204.152.96.0/24 | 204.152.96.0 | 204.152.96.255 | 256 | 1995-01-20 | arin |
| 204.152.97.0/24 | 204.152.97.0 | 204.152.97.255 | 256 | 1996-02-07 | arin |
| 204.152.99.0/24 | 204.152.99.0 | 204.152.99.255 | 256 | 2015-09-17 | arin |
| 204.152.100.0/22 | 204.152.100.0 | 204.152.103.255 | 1,024 | 1995-01-20 | arin |
| 204.152.104.0/24 | 204.152.104.0 | 204.152.104.255 | 256 | 1995-01-20 | arin |
| 204.152.105.0/24 | 204.152.105.0 | 204.152.105.255 | 256 | 2011-01-27 | arin |
| 204.152.106.0/23 | 204.152.106.0 | 204.152.107.255 | 512 | 1995-02-02 | arin |
| 204.152.108.0/23 | 204.152.108.0 | 204.152.109.255 | 512 | 1995-02-02 | arin |
| 204.152.110.0/23 | 204.152.110.0 | 204.152.111.255 | 512 | 1995-02-10 | arin |
| 204.152.112.0/23 | 204.152.112.0 | 204.152.113.255 | 512 | 1995-02-10 | arin |
| 204.152.114.0/23 | 204.152.114.0 | 204.152.115.255 | 512 | 1995-02-10 | arin |
| 204.152.116.0/23 | 204.152.116.0 | 204.152.117.255 | 512 | 1995-02-17 | arin |
| 204.152.118.0/23 | 204.152.118.0 | 204.152.119.255 | 512 | 1995-02-21 | arin |
| 204.152.120.0/23 | 204.152.120.0 | 204.152.121.255 | 512 | 1995-02-28 | arin |
| 204.152.122.0/23 | 204.152.122.0 | 204.152.123.255 | 512 | 1995-02-28 | arin |
| 204.152.124.0/23 | 204.152.124.0 | 204.152.125.255 | 512 | 1995-02-28 | arin |
| 204.152.126.0/23 | 204.152.126.0 | 204.152.127.255 | 512 | 1995-03-01 | arin |
| 204.152.128.0/24 | 204.152.128.0 | 204.152.128.255 | 256 | 2018-09-28 | arin |
| 204.152.129.0/24 | 204.152.129.0 | 204.152.129.255 | 256 | 2018-10-02 | arin |
| 204.152.130.0/23 | 204.152.130.0 | 204.152.131.255 | 512 | 1995-03-03 | arin |
| 204.152.132.0/23 | 204.152.132.0 | 204.152.133.255 | 512 | 2022-03-10 | arin |
| 204.152.134.0/23 | 204.152.134.0 | 204.152.135.255 | 512 | 1995-03-04 | arin |
| 204.152.136.0/23 | 204.152.136.0 | 204.152.137.255 | 512 | 1995-03-04 | arin |
| 204.152.138.0/23 | 204.152.138.0 | 204.152.139.255 | 512 | 1995-03-08 | arin |
| 204.152.140.0/23 | 204.152.140.0 | 204.152.141.255 | 512 | 2011-06-22 | arin |
| 204.152.142.0/23 | 204.152.142.0 | 204.152.143.255 | 512 | 1995-03-10 | arin |
| 204.152.144.0/23 | 204.152.144.0 | 204.152.145.255 | 512 | 1995-03-17 | arin |
| 204.152.146.0/23 | 204.152.146.0 | 204.152.147.255 | 512 | 2011-02-10 | arin |
| 204.152.148.0/23 | 204.152.148.0 | 204.152.149.255 | 512 | 1995-11-28 | arin |
| 204.152.150.0/23 | 204.152.150.0 | 204.152.151.255 | 512 | 2011-02-22 | arin |
| 204.152.152.0/22 | 204.152.152.0 | 204.152.155.255 | 1,024 | 1995-12-13 | arin |
| 204.152.156.0/22 | 204.152.156.0 | 204.152.159.255 | 1,024 | 1996-01-24 | arin |
| 204.152.160.0/22 | 204.152.160.0 | 204.152.163.255 | 1,024 | 1996-02-13 | arin |
| 204.152.164.0/23 | 204.152.164.0 | 204.152.165.255 | 512 | 2018-11-16 | arin |
| 204.152.166.0/23 | 204.152.166.0 | 204.152.167.255 | 512 | 1996-06-22 | arin |
| 204.152.168.0/21 | 204.152.168.0 | 204.152.175.255 | 2,048 | 1996-08-08 | arin |
| 204.152.176.0/23 | 204.152.176.0 | 204.152.177.255 | 512 | 1996-08-15 | arin |
| 204.152.178.0/23 | 204.152.178.0 | 204.152.179.255 | 512 | 1996-08-27 | arin |
| 204.152.180.0/22 | 204.152.180.0 | 204.152.183.255 | 1,024 | 2009-01-29 | arin |
| 204.152.184.0/21 | 204.152.184.0 | 204.152.191.255 | 2,048 | 1997-02-26 | arin |
| 204.152.192.0/19 | 204.152.192.0 | 204.152.223.255 | 8,192 | 2009-07-08 | arin |
| 204.152.232.0/21 | 204.152.232.0 | 204.152.239.255 | 2,048 | 2005-09-30 | arin |
| 204.152.240.0/20 | 204.152.240.0 | 204.152.255.255 | 4,096 | 2009-06-16 | arin |
| 204.153.0.0/22 | 204.153.0.0 | 204.153.3.255 | 1,024 | 2015-03-11 | arin |
| 204.153.4.0/23 | 204.153.4.0 | 204.153.5.255 | 512 | 1994-09-17 | arin |
| 204.153.6.0/24 | 204.153.6.0 | 204.153.6.255 | 256 | 1994-09-17 | arin |
| 204.153.7.0/24 | 204.153.7.0 | 204.153.7.255 | 256 | 2022-12-21 | arin |
| 204.153.8.0/22 | 204.153.8.0 | 204.153.11.255 | 1,024 | 1994-09-21 | arin |
| 204.153.12.0/22 | 204.153.12.0 | 204.153.15.255 | 1,024 | 1994-09-27 | arin |
| 204.153.16.0/22 | 204.153.16.0 | 204.153.19.255 | 1,024 | 1994-10-03 | arin |
| 204.153.20.0/22 | 204.153.20.0 | 204.153.23.255 | 1,024 | 1994-10-04 | arin |
| 204.153.26.0/23 | 204.153.26.0 | 204.153.27.255 | 512 | 2022-04-08 | arin |
| 204.153.28.0/22 | 204.153.28.0 | 204.153.31.255 | 1,024 | 1994-10-05 | arin |
| 204.153.32.0/23 | 204.153.32.0 | 204.153.33.255 | 512 | 1994-10-10 | arin |
| 204.153.34.0/24 | 204.153.34.0 | 204.153.34.255 | 256 | 1994-10-10 | arin |
| 204.153.35.0/24 | 204.153.35.0 | 204.153.35.255 | 256 | 2011-01-31 | arin |
| 204.153.36.0/23 | 204.153.36.0 | 204.153.37.255 | 512 | 1994-10-17 | arin |
| 204.153.38.0/24 | 204.153.38.0 | 204.153.38.255 | 256 | 1994-10-17 | arin |
| 204.153.39.0/24 | 204.153.39.0 | 204.153.39.255 | 256 | 2024-01-02 | arin |
| 204.153.40.0/22 | 204.153.40.0 | 204.153.43.255 | 1,024 | 1994-10-19 | arin |
| 204.153.44.0/22 | 204.153.44.0 | 204.153.47.255 | 1,024 | 1994-10-19 | arin |
| 204.153.48.0/22 | 204.153.48.0 | 204.153.51.255 | 1,024 | 1994-10-19 | arin |
| 204.153.52.0/23 | 204.153.52.0 | 204.153.53.255 | 512 | 1994-10-24 | arin |
| 204.153.54.0/24 | 204.153.54.0 | 204.153.54.255 | 256 | 1994-10-24 | arin |
| 204.153.55.0/24 | 204.153.55.0 | 204.153.55.255 | 256 | 2011-02-01 | arin |
| 204.153.56.0/22 | 204.153.56.0 | 204.153.59.255 | 1,024 | 1994-10-24 | arin |
| 204.153.60.0/22 | 204.153.60.0 | 204.153.63.255 | 1,024 | 1994-10-24 | arin |
| 204.153.64.0/23 | 204.153.64.0 | 204.153.65.255 | 512 | 1994-10-28 | arin |
| 204.153.66.0/24 | 204.153.66.0 | 204.153.66.255 | 256 | 1994-10-28 | arin |
| 204.153.67.0/24 | 204.153.67.0 | 204.153.67.255 | 256 | 2011-02-01 | arin |
| 204.153.68.0/22 | 204.153.68.0 | 204.153.71.255 | 1,024 | 1994-10-31 | arin |
| 204.153.72.0/23 | 204.153.72.0 | 204.153.73.255 | 512 | 1994-10-31 | arin |
| 204.153.74.0/23 | 204.153.74.0 | 204.153.75.255 | 512 | 1994-10-31 | arin |
| 204.153.76.0/22 | 204.153.76.0 | 204.153.79.255 | 1,024 | 1994-11-03 | arin |
| 204.153.80.0/22 | 204.153.80.0 | 204.153.83.255 | 1,024 | 1994-11-03 | arin |
| 204.153.84.0/22 | 204.153.84.0 | 204.153.87.255 | 1,024 | 1994-11-03 | arin |
| 204.153.88.0/22 | 204.153.88.0 | 204.153.91.255 | 1,024 | 1994-11-03 | arin |
| 204.153.92.0/22 | 204.153.92.0 | 204.153.95.255 | 1,024 | 1994-11-08 | arin |
| 204.153.96.0/22 | 204.153.96.0 | 204.153.99.255 | 1,024 | 1994-11-09 | arin |
| 204.153.100.0/22 | 204.153.100.0 | 204.153.103.255 | 1,024 | 2009-02-03 | arin |
| 204.153.104.0/24 | 204.153.104.0 | 204.153.104.255 | 256 | 2010-12-13 | arin |
| 204.153.105.0/24 | 204.153.105.0 | 204.153.105.255 | 256 | 1994-11-09 | arin |
| 204.153.106.0/23 | 204.153.106.0 | 204.153.107.255 | 512 | 1994-11-09 | arin |
| 204.153.108.0/22 | 204.153.108.0 | 204.153.111.255 | 1,024 | 1994-11-09 | arin |
| 204.153.112.0/22 | 204.153.112.0 | 204.153.115.255 | 1,024 | 1994-11-10 | arin |
| 204.153.116.0/22 | 204.153.116.0 | 204.153.119.255 | 1,024 | 1994-11-16 | arin |
| 204.153.120.0/23 | 204.153.120.0 | 204.153.121.255 | 512 | 2015-05-29 | arin |
| 204.153.122.0/24 | 204.153.122.0 | 204.153.122.255 | 256 | 2015-10-14 | arin |
| 204.153.123.0/24 | 204.153.123.0 | 204.153.123.255 | 256 | 2010-12-13 | arin |
| 204.153.124.0/22 | 204.153.124.0 | 204.153.127.255 | 1,024 | 1994-11-29 | arin |
| 204.153.128.0/22 | 204.153.128.0 | 204.153.131.255 | 1,024 | 2015-03-11 | arin |
| 204.153.132.0/23 | 204.153.132.0 | 204.153.133.255 | 512 | 1994-11-30 | arin |
| 204.153.134.0/24 | 204.153.134.0 | 204.153.134.255 | 256 | 1994-11-30 | arin |
| 204.153.136.0/23 | 204.153.136.0 | 204.153.137.255 | 512 | 1994-11-30 | arin |
| 204.153.138.0/24 | 204.153.138.0 | 204.153.138.255 | 256 | 1994-11-30 | arin |
| 204.153.139.0/24 | 204.153.139.0 | 204.153.139.255 | 256 | 2010-12-14 | arin |
| 204.153.140.0/23 | 204.153.140.0 | 204.153.141.255 | 512 | 1994-12-02 | arin |
| 204.153.142.0/24 | 204.153.142.0 | 204.153.142.255 | 256 | 1994-12-02 | arin |
| 204.153.143.0/24 | 204.153.143.0 | 204.153.143.255 | 256 | 2010-12-15 | arin |
| 204.153.144.0/22 | 204.153.144.0 | 204.153.147.255 | 1,024 | 1994-12-02 | arin |
| 204.153.148.0/22 | 204.153.148.0 | 204.153.151.255 | 1,024 | 1994-12-09 | arin |
| 204.153.152.0/22 | 204.153.152.0 | 204.153.155.255 | 1,024 | 1994-12-15 | arin |
| 204.153.156.0/22 | 204.153.156.0 | 204.153.159.255 | 1,024 | 1994-12-15 | arin |
| 204.153.160.0/23 | 204.153.160.0 | 204.153.161.255 | 512 | 1994-12-15 | arin |
| 204.153.162.0/23 | 204.153.162.0 | 204.153.163.255 | 512 | 2022-09-02 | arin |
| 204.153.164.0/22 | 204.153.164.0 | 204.153.167.255 | 1,024 | 1994-12-19 | arin |
| 204.153.168.0/22 | 204.153.168.0 | 204.153.171.255 | 1,024 | 1994-12-19 | arin |
| 204.153.172.0/22 | 204.153.172.0 | 204.153.175.255 | 1,024 | 1995-01-03 | arin |
| 204.153.176.0/22 | 204.153.176.0 | 204.153.179.255 | 1,024 | 2017-07-06 | arin |
| 204.153.180.0/22 | 204.153.180.0 | 204.153.183.255 | 1,024 | 1995-01-05 | arin |
| 204.153.184.0/22 | 204.153.184.0 | 204.153.187.255 | 1,024 | 1995-01-06 | arin |
| 204.153.188.0/22 | 204.153.188.0 | 204.153.191.255 | 1,024 | 1995-01-07 | arin |
| 204.153.192.0/22 | 204.153.192.0 | 204.153.195.255 | 1,024 | 1995-01-07 | arin |
| 204.153.196.0/22 | 204.153.196.0 | 204.153.199.255 | 1,024 | 1995-01-13 | arin |
| 204.153.200.0/22 | 204.153.200.0 | 204.153.203.255 | 1,024 | 1995-01-17 | arin |
| 204.153.204.0/23 | 204.153.204.0 | 204.153.205.255 | 512 | 1995-01-17 | arin |
| 204.153.208.0/22 | 204.153.208.0 | 204.153.211.255 | 1,024 | 1995-01-17 | arin |
| 204.153.212.0/23 | 204.153.212.0 | 204.153.213.255 | 512 | 1995-01-20 | arin |
| 204.153.214.0/24 | 204.153.214.0 | 204.153.214.255 | 256 | 1995-01-20 | arin |
| 204.153.216.0/23 | 204.153.216.0 | 204.153.217.255 | 512 | 1995-01-20 | arin |
| 204.153.218.0/24 | 204.153.218.0 | 204.153.218.255 | 256 | 1995-01-20 | arin |
| 204.153.219.0/24 | 204.153.219.0 | 204.153.219.255 | 256 | 2010-12-17 | arin |
| 204.153.220.0/22 | 204.153.220.0 | 204.153.223.255 | 1,024 | 2021-10-01 | arin |
| 204.153.224.0/22 | 204.153.224.0 | 204.153.227.255 | 1,024 | 1995-02-02 | arin |
| 204.153.228.0/22 | 204.153.228.0 | 204.153.231.255 | 1,024 | 1995-02-10 | arin |
| 204.153.232.0/22 | 204.153.232.0 | 204.153.235.255 | 1,024 | 1995-02-10 | arin |
| 204.153.236.0/22 | 204.153.236.0 | 204.153.239.255 | 1,024 | 1995-02-10 | arin |
| 204.153.240.0/22 | 204.153.240.0 | 204.153.243.255 | 1,024 | 1995-02-10 | arin |
| 204.153.244.0/22 | 204.153.244.0 | 204.153.247.255 | 1,024 | 1995-02-15 | arin |
| 204.153.248.0/21 | 204.153.248.0 | 204.153.255.255 | 2,048 | 1995-02-15 | arin |
| 204.154.0.0/21 | 204.154.0.0 | 204.154.7.255 | 2,048 | 1994-09-21 | arin |
| 204.154.8.0/22 | 204.154.8.0 | 204.154.11.255 | 1,024 | 2023-07-25 | arin |
| 204.154.12.0/24 | 204.154.12.0 | 204.154.12.255 | 256 | 2023-07-25 | arin |
| 204.154.13.0/24 | 204.154.13.0 | 204.154.13.255 | 256 | 1994-09-23 | arin |
| 204.154.14.0/23 | 204.154.14.0 | 204.154.15.255 | 512 | 1994-09-23 | arin |
| 204.154.16.0/21 | 204.154.16.0 | 204.154.23.255 | 2,048 | 2021-05-19 | arin |
| 204.154.24.0/21 | 204.154.24.0 | 204.154.31.255 | 2,048 | 1994-09-23 | arin |
| 204.154.32.0/21 | 204.154.32.0 | 204.154.39.255 | 2,048 | 1994-09-28 | arin |
| 204.154.40.0/21 | 204.154.40.0 | 204.154.47.255 | 2,048 | 1994-09-30 | arin |
| 204.154.48.0/21 | 204.154.48.0 | 204.154.55.255 | 2,048 | 1994-10-05 | arin |
| 204.154.56.0/21 | 204.154.56.0 | 204.154.63.255 | 2,048 | 1994-10-10 | arin |
| 204.154.72.0/21 | 204.154.72.0 | 204.154.79.255 | 2,048 | 1994-10-11 | arin |
| 204.154.80.0/21 | 204.154.80.0 | 204.154.87.255 | 2,048 | 1994-10-13 | arin |
| 204.154.88.0/22 | 204.154.88.0 | 204.154.91.255 | 1,024 | 1994-10-17 | arin |
| 204.154.92.0/23 | 204.154.92.0 | 204.154.93.255 | 512 | 1994-10-17 | arin |
| 204.154.94.0/23 | 204.154.94.0 | 204.154.95.255 | 512 | 2010-10-25 | arin |
| 204.154.96.0/22 | 204.154.96.0 | 204.154.99.255 | 1,024 | 1994-10-17 | arin |
| 204.154.100.0/23 | 204.154.100.0 | 204.154.101.255 | 512 | 1994-10-17 | arin |
| 204.154.102.0/23 | 204.154.102.0 | 204.154.103.255 | 512 | 2010-11-01 | arin |
| 204.154.104.0/22 | 204.154.104.0 | 204.154.107.255 | 1,024 | 1994-10-19 | arin |
| 204.154.108.0/24 | 204.154.108.0 | 204.154.108.255 | 256 | 1994-10-19 | arin |
| 204.154.109.0/24 | 204.154.109.0 | 204.154.109.255 | 256 | 2010-12-17 | arin |
| 204.154.110.0/23 | 204.154.110.0 | 204.154.111.255 | 512 | 2010-11-08 | arin |
| 204.154.112.0/21 | 204.154.112.0 | 204.154.119.255 | 2,048 | 1994-10-19 | arin |
| 204.154.120.0/24 | 204.154.120.0 | 204.154.120.255 | 256 | 1994-10-19 | arin |
| 204.154.121.0/24 | 204.154.121.0 | 204.154.121.255 | 256 | 2010-12-20 | arin |
| 204.154.122.0/23 | 204.154.122.0 | 204.154.123.255 | 512 | 2010-11-16 | arin |
| 204.154.124.0/22 | 204.154.124.0 | 204.154.127.255 | 1,024 | 2015-03-12 | arin |
| 204.154.128.0/21 | 204.154.128.0 | 204.154.135.255 | 2,048 | 1994-10-25 | arin |
| 204.154.136.0/22 | 204.154.136.0 | 204.154.139.255 | 1,024 | 1994-10-25 | arin |
| 204.154.140.0/24 | 204.154.140.0 | 204.154.140.255 | 256 | 1994-10-25 | arin |
| 204.154.141.0/24 | 204.154.141.0 | 204.154.141.255 | 256 | 2010-12-21 | arin |
| 204.154.142.0/23 | 204.154.142.0 | 204.154.143.255 | 512 | 2017-07-31 | arin |
| 204.154.144.0/22 | 204.154.144.0 | 204.154.147.255 | 1,024 | 1994-10-25 | arin |
| 204.154.148.0/23 | 204.154.148.0 | 204.154.149.255 | 512 | 1994-10-25 | arin |
| 204.154.150.0/24 | 204.154.150.0 | 204.154.150.255 | 256 | 1994-10-25 | arin |
| 204.154.151.0/24 | 204.154.151.0 | 204.154.151.255 | 256 | 2023-12-19 | arin |
| 204.154.152.0/21 | 204.154.152.0 | 204.154.159.255 | 2,048 | 1994-10-25 | arin |
| 204.154.160.0/21 | 204.154.160.0 | 204.154.167.255 | 2,048 | 1994-10-26 | arin |
| 204.154.168.0/22 | 204.154.168.0 | 204.154.171.255 | 1,024 | 1994-10-31 | arin |
| 204.154.172.0/24 | 204.154.172.0 | 204.154.172.255 | 256 | 1994-10-31 | arin |
| 204.154.173.0/24 | 204.154.173.0 | 204.154.173.255 | 256 | 2010-12-27 | arin |
| 204.154.176.0/21 | 204.154.176.0 | 204.154.183.255 | 2,048 | 1994-11-01 | arin |
| 204.154.184.0/21 | 204.154.184.0 | 204.154.191.255 | 2,048 | 1994-11-03 | arin |
| 204.154.192.0/21 | 204.154.192.0 | 204.154.199.255 | 2,048 | 1994-11-10 | arin |
| 204.154.208.0/21 | 204.154.208.0 | 204.154.215.255 | 2,048 | 1994-11-15 | arin |
| 204.154.216.0/21 | 204.154.216.0 | 204.154.223.255 | 2,048 | 1994-11-15 | arin |
| 204.154.229.0/24 | 204.154.229.0 | 204.154.229.255 | 256 | 2010-12-29 | arin |
| 204.154.230.0/23 | 204.154.230.0 | 204.154.231.255 | 512 | 2010-12-03 | arin |
| 204.154.232.0/21 | 204.154.232.0 | 204.154.239.255 | 2,048 | 1994-11-18 | arin |
| 204.154.240.0/21 | 204.154.240.0 | 204.154.247.255 | 2,048 | 2009-02-19 | arin |
| 204.154.248.0/21 | 204.154.248.0 | 204.154.255.255 | 2,048 | 2017-09-12 | arin |
| 204.155.0.0/20 | 204.155.0.0 | 204.155.15.255 | 4,096 | 1994-09-17 | arin |
| 204.155.16.0/21 | 204.155.16.0 | 204.155.23.255 | 2,048 | 1994-09-23 | arin |
| 204.155.24.0/23 | 204.155.24.0 | 204.155.25.255 | 512 | 1994-09-23 | arin |
| 204.155.26.0/23 | 204.155.26.0 | 204.155.27.255 | 512 | 2010-12-16 | arin |
| 204.155.28.0/22 | 204.155.28.0 | 204.155.31.255 | 1,024 | 2015-03-12 | arin |
| 204.155.32.0/20 | 204.155.32.0 | 204.155.47.255 | 4,096 | 1994-09-23 | arin |
| 204.155.48.0/21 | 204.155.48.0 | 204.155.55.255 | 2,048 | 1994-09-28 | arin |
| 204.155.56.0/22 | 204.155.56.0 | 204.155.59.255 | 1,024 | 1994-09-28 | arin |
| 204.155.60.0/22 | 204.155.60.0 | 204.155.63.255 | 1,024 | 2009-02-04 | arin |
| 204.155.64.0/20 | 204.155.64.0 | 204.155.79.255 | 4,096 | 1994-09-28 | arin |
| 204.155.80.0/21 | 204.155.80.0 | 204.155.87.255 | 2,048 | 1994-10-05 | arin |
| 204.155.88.0/22 | 204.155.88.0 | 204.155.91.255 | 1,024 | 1994-10-05 | arin |
| 204.155.92.0/23 | 204.155.92.0 | 204.155.93.255 | 512 | 1994-10-05 | arin |
| 204.155.94.0/24 | 204.155.94.0 | 204.155.94.255 | 256 | 1994-10-05 | arin |
| 204.155.95.0/24 | 204.155.95.0 | 204.155.95.255 | 256 | 2011-01-04 | arin |
| 204.155.96.0/20 | 204.155.96.0 | 204.155.111.255 | 4,096 | 1994-10-11 | arin |
| 204.155.112.0/20 | 204.155.112.0 | 204.155.127.255 | 4,096 | 1994-10-11 | arin |
| 204.155.128.0/20 | 204.155.128.0 | 204.155.143.255 | 4,096 | 1994-10-25 | arin |
| 204.155.144.0/20 | 204.155.144.0 | 204.155.159.255 | 4,096 | 1994-11-03 | arin |
| 204.155.160.0/20 | 204.155.160.0 | 204.155.175.255 | 4,096 | 1994-11-07 | arin |
| 204.155.176.0/20 | 204.155.176.0 | 204.155.191.255 | 4,096 | 1994-11-07 | arin |
| 204.155.192.0/20 | 204.155.192.0 | 204.155.207.255 | 4,096 | 1994-11-07 | arin |
| 204.155.208.0/20 | 204.155.208.0 | 204.155.223.255 | 4,096 | 1994-11-15 | arin |
| 204.155.224.0/20 | 204.155.224.0 | 204.155.239.255 | 4,096 | 1994-11-16 | arin |
| 204.155.240.0/20 | 204.155.240.0 | 204.155.255.255 | 4,096 | 1994-11-17 | arin |
| 204.156.0.0/19 | 204.156.0.0 | 204.156.31.255 | 8,192 | 1994-09-22 | arin |
| 204.156.32.0/19 | 204.156.32.0 | 204.156.63.255 | 8,192 | 1994-09-28 | arin |
| 204.156.64.0/19 | 204.156.64.0 | 204.156.95.255 | 8,192 | 1994-10-05 | arin |
| 204.156.96.0/20 | 204.156.96.0 | 204.156.111.255 | 4,096 | 1994-10-19 | arin |
| 204.156.112.0/21 | 204.156.112.0 | 204.156.119.255 | 2,048 | 1994-10-19 | arin |
| 204.156.120.0/24 | 204.156.120.0 | 204.156.120.255 | 256 | 1994-10-19 | arin |
| 204.156.121.0/24 | 204.156.121.0 | 204.156.121.255 | 256 | 2022-04-12 | arin |
| 204.156.122.0/23 | 204.156.122.0 | 204.156.123.255 | 512 | 2010-12-17 | arin |
| 204.156.128.0/19 | 204.156.128.0 | 204.156.159.255 | 8,192 | 1994-10-26 | arin |
| 204.156.160.0/21 | 204.156.160.0 | 204.156.167.255 | 2,048 | 2015-11-04 | arin |
| 204.156.168.0/21 | 204.156.168.0 | 204.156.175.255 | 2,048 | 2015-10-05 | arin |
| 204.156.176.0/23 | 204.156.176.0 | 204.156.177.255 | 512 | 2014-12-10 | arin |
| 204.156.178.0/24 | 204.156.178.0 | 204.156.178.255 | 256 | 2014-12-10 | arin |
| 204.156.179.0/24 | 204.156.179.0 | 204.156.179.255 | 256 | 2015-09-01 | arin |
| 204.156.180.0/22 | 204.156.180.0 | 204.156.183.255 | 1,024 | 2015-08-28 | arin |
| 204.156.184.0/21 | 204.156.184.0 | 204.156.191.255 | 2,048 | 2016-11-16 | arin |
| 204.156.192.0/19 | 204.156.192.0 | 204.156.223.255 | 8,192 | 2022-08-22 | arin |
| 204.156.224.0/19 | 204.156.224.0 | 204.156.255.255 | 8,192 | 1994-11-22 | arin |
| 204.157.0.0/16 | 204.157.0.0 | 204.157.255.255 | 65,536 | 1994-09-21 | arin |
| 204.158.0.0/16 | 204.158.0.0 | 204.158.255.255 | 65,536 | 1994-09-22 | arin |
| 204.159.0.0/16 | 204.159.0.0 | 204.159.255.255 | 65,536 | 1994-09-29 | arin |
| 204.160.0.0/14 | 204.160.0.0 | 204.163.255.255 | 262,144 | 1995-02-08 | arin |
| 204.164.0.0/14 | 204.164.0.0 | 204.167.255.255 | 262,144 | 1994-10-04 | arin |
| 204.168.0.0/17 | 204.168.0.0 | 204.168.127.255 | 32,768 | 2022-04-18 | arin |
| 204.169.0.0/16 | 204.169.0.0 | 204.169.255.255 | 65,536 | 1994-10-16 | arin |
| 204.170.0.0/15 | 204.170.0.0 | 204.171.255.255 | 131,072 | 1994-10-13 | arin |
| 204.172.0.0/15 | 204.172.0.0 | 204.173.255.255 | 131,072 | 1994-10-06 | arin |
| 204.174.0.0/24 | 204.174.0.0 | 204.174.0.255 | 256 | 2011-01-04 | arin |
| 204.174.4.0/23 | 204.174.4.0 | 204.174.5.255 | 512 | 2022-06-06 | arin |
| 204.174.12.0/23 | 204.174.12.0 | 204.174.13.255 | 512 | 1994-10-17 | arin |
| 204.174.14.0/24 | 204.174.14.0 | 204.174.14.255 | 256 | 1994-10-17 | arin |
| 204.174.16.0/20 | 204.174.16.0 | 204.174.31.255 | 4,096 | 1994-10-17 | arin |
| 204.174.37.0/24 | 204.174.37.0 | 204.174.37.255 | 256 | 2011-01-05 | arin |
| 204.174.42.0/24 | 204.174.42.0 | 204.174.42.255 | 256 | 1994-10-17 | arin |
| 204.174.47.0/24 | 204.174.47.0 | 204.174.47.255 | 256 | 2011-01-05 | arin |
| 204.174.51.0/24 | 204.174.51.0 | 204.174.51.255 | 256 | 2024-01-04 | arin |
| 204.174.104.0/21 | 204.174.104.0 | 204.174.111.255 | 2,048 | 2009-02-19 | arin |
| 204.174.223.0/24 | 204.174.223.0 | 204.174.223.255 | 256 | 1994-10-17 | arin |
| 204.174.224.0/24 | 204.174.224.0 | 204.174.224.255 | 256 | 2011-01-06 | arin |
| 204.174.232.0/23 | 204.174.232.0 | 204.174.233.255 | 512 | 2010-12-20 | arin |
| 204.174.255.0/24 | 204.174.255.0 | 204.174.255.255 | 256 | 2011-01-06 | arin |
| 204.175.0.0/16 | 204.175.0.0 | 204.175.255.255 | 65,536 | 1994-10-26 | arin |
| 204.176.0.0/14 | 204.176.0.0 | 204.179.255.255 | 262,144 | 1994-10-17 | arin |
| 204.180.0.0/14 | 204.180.0.0 | 204.183.255.255 | 262,144 | 1994-10-18 | arin |
| 204.184.0.0/15 | 204.184.0.0 | 204.185.255.255 | 131,072 | 1994-11-04 | arin |
| 204.186.0.0/16 | 204.186.0.0 | 204.186.255.255 | 65,536 | 1994-11-04 | arin |
| 204.187.0.0/24 | 204.187.0.0 | 204.187.0.255 | 256 | 2010-11-15 | arin |
| 204.187.94.0/24 | 204.187.94.0 | 204.187.94.255 | 256 | 1994-11-07 | arin |
| 204.187.102.0/24 | 204.187.102.0 | 204.187.102.255 | 256 | 2021-11-03 | arin |
| 204.187.138.0/24 | 204.187.138.0 | 204.187.138.255 | 256 | 2019-04-09 | arin |
| 204.187.255.0/24 | 204.187.255.0 | 204.187.255.255 | 256 | 2010-11-19 | arin |
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