| CIDR | IP地址开始 | IP地址结束 | IP地址数量 | 分配时间 | 注册机构 |
|---|---|---|---|---|---|
| 172.99.218.0/23 | 172.99.218.0 | 172.99.219.255 | 512 | 2021-02-04 | arin |
| 172.99.220.0/22 | 172.99.220.0 | 172.99.223.255 | 1,024 | 2021-01-06 | arin |
| 172.99.224.0/22 | 172.99.224.0 | 172.99.227.255 | 1,024 | 2021-01-06 | arin |
| 172.99.228.0/22 | 172.99.228.0 | 172.99.231.255 | 1,024 | 2021-01-29 | arin |
| 172.99.234.0/23 | 172.99.234.0 | 172.99.235.255 | 512 | 2021-02-15 | arin |
| 172.99.236.0/22 | 172.99.236.0 | 172.99.239.255 | 1,024 | 2021-01-07 | arin |
| 172.99.240.0/22 | 172.99.240.0 | 172.99.243.255 | 1,024 | 2021-01-07 | arin |
| 172.99.244.0/23 | 172.99.244.0 | 172.99.245.255 | 512 | 2021-01-06 | arin |
| 172.99.248.0/24 | 172.99.248.0 | 172.99.248.255 | 256 | 2021-01-13 | arin |
| 172.99.249.0/24 | 172.99.249.0 | 172.99.249.255 | 256 | 2021-01-11 | arin |
| 172.99.250.0/24 | 172.99.250.0 | 172.99.250.255 | 256 | 2021-01-08 | arin |
| 172.99.252.0/22 | 172.99.252.0 | 172.99.255.255 | 1,024 | 2021-01-11 | arin |
| 172.100.0.0/15 | 172.100.0.0 | 172.101.255.255 | 131,072 | 2015-06-15 | arin |
| 172.102.4.0/22 | 172.102.4.0 | 172.102.7.255 | 1,024 | 2015-06-19 | arin |
| 172.102.8.0/21 | 172.102.8.0 | 172.102.15.255 | 2,048 | 2015-06-19 | arin |
| 172.102.32.0/19 | 172.102.32.0 | 172.102.63.255 | 8,192 | 2015-06-29 | arin |
| 172.102.64.0/18 | 172.102.64.0 | 172.102.127.255 | 16,384 | 2015-06-29 | arin |
| 172.102.144.0/20 | 172.102.144.0 | 172.102.159.255 | 4,096 | 2015-07-09 | arin |
| 172.102.160.0/19 | 172.102.160.0 | 172.102.191.255 | 8,192 | 2017-06-21 | arin |
| 172.102.192.0/19 | 172.102.192.0 | 172.102.223.255 | 8,192 | 2015-06-19 | arin |
| 172.102.232.0/21 | 172.102.232.0 | 172.102.239.255 | 2,048 | 2015-06-23 | arin |
| 172.102.240.0/21 | 172.102.240.0 | 172.102.247.255 | 2,048 | 2015-06-30 | arin |
| 172.102.248.0/22 | 172.102.248.0 | 172.102.251.255 | 1,024 | 2015-06-23 | arin |
| 172.102.252.0/22 | 172.102.252.0 | 172.102.255.255 | 1,024 | 2015-06-22 | arin |
| 172.103.0.0/19 | 172.103.0.0 | 172.103.31.255 | 8,192 | 2015-06-22 | arin |
| 172.103.32.0/22 | 172.103.32.0 | 172.103.35.255 | 1,024 | 2020-05-13 | arin |
| 172.103.36.0/22 | 172.103.36.0 | 172.103.39.255 | 1,024 | 2015-06-30 | arin |
| 172.103.40.0/21 | 172.103.40.0 | 172.103.47.255 | 2,048 | 2018-05-23 | arin |
| 172.103.64.0/21 | 172.103.64.0 | 172.103.71.255 | 2,048 | 2018-01-24 | arin |
| 172.103.72.0/21 | 172.103.72.0 | 172.103.79.255 | 2,048 | 2017-07-14 | arin |
| 172.103.80.0/21 | 172.103.80.0 | 172.103.87.255 | 2,048 | 2017-09-22 | arin |
| 172.103.96.0/19 | 172.103.96.0 | 172.103.127.255 | 8,192 | 2018-02-26 | arin |
| 172.104.0.0/15 | 172.104.0.0 | 172.105.255.255 | 131,072 | 2015-06-19 | arin |
| 172.106.0.0/15 | 172.106.0.0 | 172.107.255.255 | 131,072 | 2023-12-06 | arin |
| 172.108.0.0/16 | 172.108.0.0 | 172.108.255.255 | 65,536 | 2015-06-29 | arin |
| 172.109.0.0/16 | 172.109.0.0 | 172.109.255.255 | 65,536 | 2015-06-29 | arin |
| 172.110.0.0/19 | 172.110.0.0 | 172.110.31.255 | 8,192 | 2021-08-05 | arin |
| 172.110.32.0/21 | 172.110.32.0 | 172.110.39.255 | 2,048 | 2015-06-25 | arin |
| 172.110.40.0/21 | 172.110.40.0 | 172.110.47.255 | 2,048 | 2015-06-24 | arin |
| 172.110.48.0/22 | 172.110.48.0 | 172.110.51.255 | 1,024 | 2015-06-24 | arin |
| 172.110.52.0/22 | 172.110.52.0 | 172.110.55.255 | 1,024 | 2015-06-24 | arin |
| 172.110.56.0/22 | 172.110.56.0 | 172.110.59.255 | 1,024 | 2015-06-24 | arin |
| 172.110.60.0/22 | 172.110.60.0 | 172.110.63.255 | 1,024 | 2015-07-06 | arin |
| 172.110.80.0/21 | 172.110.80.0 | 172.110.87.255 | 2,048 | 2015-06-30 | arin |
| 172.110.88.0/22 | 172.110.88.0 | 172.110.91.255 | 1,024 | 2015-06-25 | arin |
| 172.110.92.0/22 | 172.110.92.0 | 172.110.95.255 | 1,024 | 2015-06-25 | arin |
| 172.110.96.0/19 | 172.110.96.0 | 172.110.127.255 | 8,192 | 2015-06-24 | arin |
| 172.110.128.0/24 | 172.110.128.0 | 172.110.128.255 | 256 | 2021-04-16 | arin |
| 172.110.130.0/24 | 172.110.130.0 | 172.110.130.255 | 256 | 2021-04-05 | arin |
| 172.110.131.0/24 | 172.110.131.0 | 172.110.131.255 | 256 | 2021-04-30 | arin |
| 172.110.132.0/22 | 172.110.132.0 | 172.110.135.255 | 1,024 | 2021-04-02 | arin |
| 172.110.136.0/22 | 172.110.136.0 | 172.110.139.255 | 1,024 | 2021-04-01 | arin |
| 172.110.140.0/23 | 172.110.140.0 | 172.110.141.255 | 512 | 2021-04-06 | arin |
| 172.110.142.0/24 | 172.110.142.0 | 172.110.142.255 | 256 | 2021-04-07 | arin |
| 172.110.146.0/23 | 172.110.146.0 | 172.110.147.255 | 512 | 2021-04-02 | arin |
| 172.110.148.0/22 | 172.110.148.0 | 172.110.151.255 | 1,024 | 2021-04-09 | arin |
| 172.110.152.0/22 | 172.110.152.0 | 172.110.155.255 | 1,024 | 2021-04-02 | arin |
| 172.110.156.0/22 | 172.110.156.0 | 172.110.159.255 | 1,024 | 2021-04-13 | arin |
| 172.110.160.0/23 | 172.110.160.0 | 172.110.161.255 | 512 | 2021-04-06 | arin |
| 172.110.163.0/24 | 172.110.163.0 | 172.110.163.255 | 256 | 2021-04-02 | arin |
| 172.110.164.0/23 | 172.110.164.0 | 172.110.165.255 | 512 | 2021-04-27 | arin |
| 172.110.166.0/23 | 172.110.166.0 | 172.110.167.255 | 512 | 2021-04-05 | arin |
| 172.110.168.0/22 | 172.110.168.0 | 172.110.171.255 | 1,024 | 2021-04-02 | arin |
| 172.110.172.0/22 | 172.110.172.0 | 172.110.175.255 | 1,024 | 2021-04-05 | arin |
| 172.110.180.0/22 | 172.110.180.0 | 172.110.183.255 | 1,024 | 2021-04-02 | arin |
| 172.110.184.0/24 | 172.110.184.0 | 172.110.184.255 | 256 | 2021-04-02 | arin |
| 172.110.185.0/24 | 172.110.185.0 | 172.110.185.255 | 256 | 2021-04-06 | arin |
| 172.110.186.0/23 | 172.110.186.0 | 172.110.187.255 | 512 | 2021-04-08 | arin |
| 172.110.188.0/22 | 172.110.188.0 | 172.110.191.255 | 1,024 | 2021-04-02 | arin |
| 172.110.192.0/21 | 172.110.192.0 | 172.110.199.255 | 2,048 | 2022-09-02 | arin |
| 172.110.204.0/22 | 172.110.204.0 | 172.110.207.255 | 1,024 | 2015-06-25 | arin |
| 172.110.224.0/20 | 172.110.224.0 | 172.110.239.255 | 4,096 | 2015-06-25 | arin |
| 172.110.240.0/22 | 172.110.240.0 | 172.110.243.255 | 1,024 | 2015-06-25 | arin |
| 172.110.244.0/22 | 172.110.244.0 | 172.110.247.255 | 1,024 | 2015-06-25 | arin |
| 172.110.248.0/22 | 172.110.248.0 | 172.110.251.255 | 1,024 | 2015-07-14 | arin |
| 172.110.252.0/22 | 172.110.252.0 | 172.110.255.255 | 1,024 | 2018-09-20 | arin |
| 172.111.0.0/22 | 172.111.0.0 | 172.111.3.255 | 1,024 | 2021-07-08 | arin |
| 172.111.4.0/22 | 172.111.4.0 | 172.111.7.255 | 1,024 | 2021-07-07 | arin |
| 172.111.8.0/22 | 172.111.8.0 | 172.111.11.255 | 1,024 | 2021-07-07 | arin |
| 172.111.12.0/22 | 172.111.12.0 | 172.111.15.255 | 1,024 | 2021-07-07 | arin |
| 172.111.16.0/22 | 172.111.16.0 | 172.111.19.255 | 1,024 | 2021-07-07 | arin |
| 172.111.20.0/22 | 172.111.20.0 | 172.111.23.255 | 1,024 | 2021-07-09 | arin |
| 172.111.24.0/24 | 172.111.24.0 | 172.111.24.255 | 256 | 2021-07-13 | arin |
| 172.111.25.0/24 | 172.111.25.0 | 172.111.25.255 | 256 | 2021-07-13 | arin |
| 172.111.27.0/24 | 172.111.27.0 | 172.111.27.255 | 256 | 2021-07-14 | arin |
| 172.111.28.0/22 | 172.111.28.0 | 172.111.31.255 | 1,024 | 2021-07-07 | arin |
| 172.111.32.0/22 | 172.111.32.0 | 172.111.35.255 | 1,024 | 2021-07-07 | arin |
| 172.111.40.0/22 | 172.111.40.0 | 172.111.43.255 | 1,024 | 2021-07-07 | arin |
| 172.111.44.0/22 | 172.111.44.0 | 172.111.47.255 | 1,024 | 2021-07-07 | arin |
| 172.111.48.0/22 | 172.111.48.0 | 172.111.51.255 | 1,024 | 2021-07-07 | arin |
| 172.111.53.0/24 | 172.111.53.0 | 172.111.53.255 | 256 | 2021-07-09 | arin |
| 172.111.54.0/24 | 172.111.54.0 | 172.111.54.255 | 256 | 2021-07-09 | arin |
| 172.111.55.0/24 | 172.111.55.0 | 172.111.55.255 | 256 | 2021-07-19 | arin |
| 172.111.56.0/22 | 172.111.56.0 | 172.111.59.255 | 1,024 | 2021-07-07 | arin |
| 172.111.64.0/18 | 172.111.64.0 | 172.111.127.255 | 16,384 | 2015-07-01 | arin |
| 172.111.128.0/17 | 172.111.128.0 | 172.111.255.255 | 32,768 | 2015-07-01 | arin |
| 172.112.0.0/13 | 172.112.0.0 | 172.119.255.255 | 524,288 | 2015-06-19 | arin |
| 172.120.0.0/15 | 172.120.0.0 | 172.121.255.255 | 131,072 | 2015-06-23 | arin |
| 172.124.0.0/14 | 172.124.0.0 | 172.127.255.255 | 262,144 | 2015-07-06 | arin |
| 172.216.0.0/16 | 172.216.0.0 | 172.216.255.255 | 65,536 | 2002-02-13 | arin |
| 172.217.0.0/16 | 172.217.0.0 | 172.217.255.255 | 65,536 | 2012-04-16 | arin |
| 172.220.0.0/14 | 172.220.0.0 | 172.223.255.255 | 262,144 | 2012-06-22 | arin |
| 172.224.0.0/12 | 172.224.0.0 | 172.239.255.255 | 1,048,576 | 2013-03-15 | arin |
| 172.240.0.0/16 | 172.240.0.0 | 172.240.255.255 | 65,536 | 2017-05-24 | arin |
| 172.241.8.0/21 | 172.241.8.0 | 172.241.15.255 | 2,048 | 2013-04-08 | arin |
| 172.241.16.0/20 | 172.241.16.0 | 172.241.31.255 | 4,096 | 2013-04-08 | arin |
| 172.241.32.0/21 | 172.241.32.0 | 172.241.39.255 | 2,048 | 2013-04-08 | arin |
| 172.241.56.0/21 | 172.241.56.0 | 172.241.63.255 | 2,048 | 2013-04-08 | arin |
| 172.241.72.0/21 | 172.241.72.0 | 172.241.79.255 | 2,048 | 2013-04-08 | arin |
| 172.241.80.0/22 | 172.241.80.0 | 172.241.83.255 | 1,024 | 2013-04-08 | arin |
| 172.241.88.0/21 | 172.241.88.0 | 172.241.95.255 | 2,048 | 2013-04-08 | arin |
| 172.241.96.0/19 | 172.241.96.0 | 172.241.127.255 | 8,192 | 2013-04-08 | arin |
| 172.241.128.0/18 | 172.241.128.0 | 172.241.191.255 | 16,384 | 2013-04-08 | arin |
| 172.241.192.0/20 | 172.241.192.0 | 172.241.207.255 | 4,096 | 2013-04-08 | arin |
| 172.241.208.0/21 | 172.241.208.0 | 172.241.215.255 | 2,048 | 2013-04-08 | arin |
| 172.241.224.0/20 | 172.241.224.0 | 172.241.239.255 | 4,096 | 2013-04-08 | arin |
| 172.241.240.0/21 | 172.241.240.0 | 172.241.247.255 | 2,048 | 2013-04-08 | arin |
| 172.241.248.0/21 | 172.241.248.0 | 172.241.255.255 | 2,048 | 2019-12-23 | arin |
| 172.242.0.0/15 | 172.242.0.0 | 172.243.255.255 | 131,072 | 2013-04-11 | arin |
| 172.244.0.0/16 | 172.244.0.0 | 172.244.255.255 | 65,536 | 2013-04-11 | arin |
| 172.247.0.0/16 | 172.247.0.0 | 172.247.255.255 | 65,536 | 2013-06-06 | arin |
| 172.248.0.0/14 | 172.248.0.0 | 172.251.255.255 | 262,144 | 2013-03-13 | arin |
| 172.252.0.0/16 | 172.252.0.0 | 172.252.255.255 | 65,536 | 2013-04-04 | arin |
| 172.253.0.0/16 | 172.253.0.0 | 172.253.255.255 | 65,536 | 2013-04-04 | arin |
| 172.254.0.0/16 | 172.254.0.0 | 172.254.255.255 | 65,536 | 2013-03-25 | arin |
| 172.255.16.0/20 | 172.255.16.0 | 172.255.31.255 | 4,096 | 2013-03-13 | arin |
| 172.255.32.0/20 | 172.255.32.0 | 172.255.47.255 | 4,096 | 2013-03-13 | arin |
| 172.255.64.0/19 | 172.255.64.0 | 172.255.95.255 | 8,192 | 2013-03-13 | arin |
| 172.255.112.0/20 | 172.255.112.0 | 172.255.127.255 | 4,096 | 2013-03-13 | arin |
| 172.255.128.0/21 | 172.255.128.0 | 172.255.135.255 | 2,048 | 2013-03-13 | arin |
| 172.255.144.0/20 | 172.255.144.0 | 172.255.159.255 | 4,096 | 2013-03-13 | arin |
| 172.255.160.0/19 | 172.255.160.0 | 172.255.191.255 | 8,192 | 2013-03-13 | arin |
| 172.255.208.0/20 | 172.255.208.0 | 172.255.223.255 | 4,096 | 2013-03-13 | arin |
| 172.255.240.0/21 | 172.255.240.0 | 172.255.247.255 | 2,048 | 2013-03-13 | arin |
| 173.0.0.0/22 | 173.0.0.0 | 173.0.3.255 | 1,024 | 2022-01-05 | arin |
| 173.0.4.0/22 | 173.0.4.0 | 173.0.7.255 | 1,024 | 2022-02-25 | arin |
| 173.0.8.0/22 | 173.0.8.0 | 173.0.11.255 | 1,024 | 2022-02-16 | arin |
| 173.0.16.0/20 | 173.0.16.0 | 173.0.31.255 | 4,096 | 2010-06-17 | arin |
| 173.0.32.0/20 | 173.0.32.0 | 173.0.47.255 | 4,096 | 2010-06-22 | arin |
| 173.0.48.0/20 | 173.0.48.0 | 173.0.63.255 | 4,096 | 2010-06-22 | arin |
| 173.0.64.0/20 | 173.0.64.0 | 173.0.79.255 | 4,096 | 2010-06-22 | arin |
| 173.0.80.0/20 | 173.0.80.0 | 173.0.95.255 | 4,096 | 2010-06-22 | arin |
| 173.0.96.0/20 | 173.0.96.0 | 173.0.111.255 | 4,096 | 2010-06-22 | arin |
| 173.0.112.0/20 | 173.0.112.0 | 173.0.127.255 | 4,096 | 2010-06-23 | arin |
| 173.0.128.0/20 | 173.0.128.0 | 173.0.143.255 | 4,096 | 2010-06-23 | arin |
| 173.0.144.0/20 | 173.0.144.0 | 173.0.159.255 | 4,096 | 2015-06-04 | arin |
| 173.0.160.0/20 | 173.0.160.0 | 173.0.175.255 | 4,096 | 2017-03-28 | arin |
| 173.0.176.0/20 | 173.0.176.0 | 173.0.191.255 | 4,096 | 2010-06-25 | arin |
| 173.0.224.0/20 | 173.0.224.0 | 173.0.239.255 | 4,096 | 2018-09-20 | arin |
| 173.0.240.0/20 | 173.0.240.0 | 173.0.255.255 | 4,096 | 2010-07-01 | arin |
| 173.1.0.0/16 | 173.1.0.0 | 173.1.255.255 | 65,536 | 2008-08-20 | arin |
| 173.2.0.0/15 | 173.2.0.0 | 173.3.255.255 | 131,072 | 2008-05-12 | arin |
| 173.4.0.0/14 | 173.4.0.0 | 173.7.255.255 | 262,144 | 2008-04-30 | arin |
| 173.8.0.0/13 | 173.8.0.0 | 173.15.255.255 | 524,288 | 2008-05-05 | arin |
| 173.16.0.0/12 | 173.16.0.0 | 173.31.255.255 | 1,048,576 | 2008-05-19 | arin |
| 173.36.0.0/14 | 173.36.0.0 | 173.39.255.255 | 262,144 | 2008-08-15 | arin |
| 173.40.0.0/14 | 173.40.0.0 | 173.43.255.255 | 262,144 | 2008-08-25 | arin |
| 173.44.32.0/19 | 173.44.32.0 | 173.44.63.255 | 8,192 | 2010-01-11 | arin |
| 173.44.64.0/19 | 173.44.64.0 | 173.44.95.255 | 8,192 | 2010-01-20 | arin |
| 173.44.96.0/20 | 173.44.96.0 | 173.44.111.255 | 4,096 | 2010-01-20 | arin |
| 173.44.112.0/22 | 173.44.112.0 | 173.44.115.255 | 1,024 | 2010-01-20 | arin |
| 173.44.116.0/22 | 173.44.116.0 | 173.44.119.255 | 1,024 | 2010-01-20 | arin |
| 173.44.120.0/21 | 173.44.120.0 | 173.44.127.255 | 2,048 | 2010-01-20 | arin |
| 173.44.128.0/17 | 173.44.128.0 | 173.44.255.255 | 32,768 | 2009-12-11 | arin |
| 173.45.0.0/18 | 173.45.0.0 | 173.45.63.255 | 16,384 | 2008-10-14 | arin |
| 173.45.64.0/18 | 173.45.64.0 | 173.45.127.255 | 16,384 | 2008-10-21 | arin |
| 173.45.128.0/19 | 173.45.128.0 | 173.45.159.255 | 8,192 | 2008-10-13 | arin |
| 173.45.160.0/21 | 173.45.160.0 | 173.45.167.255 | 2,048 | 2008-10-13 | arin |
| 173.45.168.0/23 | 173.45.168.0 | 173.45.169.255 | 512 | 2008-10-13 | arin |
| 173.45.170.0/24 | 173.45.170.0 | 173.45.170.255 | 256 | 2017-06-19 | arin |
| 173.45.171.0/24 | 173.45.171.0 | 173.45.171.255 | 256 | 2008-10-13 | arin |
| 173.45.172.0/23 | 173.45.172.0 | 173.45.173.255 | 512 | 2008-10-13 | arin |
| 173.45.174.0/23 | 173.45.174.0 | 173.45.175.255 | 512 | 2017-06-19 | arin |
| 173.45.176.0/20 | 173.45.176.0 | 173.45.191.255 | 4,096 | 2009-12-03 | arin |
| 173.45.224.0/19 | 173.45.224.0 | 173.45.255.255 | 8,192 | 2008-10-13 | arin |
| 173.46.32.0/19 | 173.46.32.0 | 173.46.63.255 | 8,192 | 2008-10-29 | arin |
| 173.46.64.0/20 | 173.46.64.0 | 173.46.79.255 | 4,096 | 2008-10-28 | arin |
| 173.46.80.0/20 | 173.46.80.0 | 173.46.95.255 | 4,096 | 2019-10-08 | arin |
| 173.46.96.0/19 | 173.46.96.0 | 173.46.127.255 | 8,192 | 2008-10-28 | arin |
| 173.46.128.0/20 | 173.46.128.0 | 173.46.143.255 | 4,096 | 2008-11-06 | arin |
| 173.46.144.0/20 | 173.46.144.0 | 173.46.159.255 | 4,096 | 2009-12-30 | arin |
| 173.46.160.0/19 | 173.46.160.0 | 173.46.191.255 | 8,192 | 2008-11-06 | arin |
| 173.46.192.0/20 | 173.46.192.0 | 173.46.207.255 | 4,096 | 2008-11-06 | arin |
| 173.46.208.0/20 | 173.46.208.0 | 173.46.223.255 | 4,096 | 2009-12-30 | arin |
| 173.46.224.0/19 | 173.46.224.0 | 173.46.255.255 | 8,192 | 2008-11-07 | arin |
| 173.47.0.0/16 | 173.47.0.0 | 173.47.255.255 | 65,536 | 2008-10-22 | arin |
| 173.48.0.0/12 | 173.48.0.0 | 173.63.255.255 | 1,048,576 | 2008-10-09 | arin |
| 173.64.0.0/12 | 173.64.0.0 | 173.79.255.255 | 1,048,576 | 2008-08-11 | arin |
| 173.80.0.0/15 | 173.80.0.0 | 173.81.255.255 | 131,072 | 2008-11-11 | arin |
| 173.82.0.0/16 | 173.82.0.0 | 173.82.255.255 | 65,536 | 2023-08-09 | arin |
| 173.83.0.0/16 | 173.83.0.0 | 173.83.255.255 | 65,536 | 2022-05-10 | arin |
| 173.84.0.0/14 | 173.84.0.0 | 173.87.255.255 | 262,144 | 2008-11-18 | arin |
| 173.88.0.0/13 | 173.88.0.0 | 173.95.255.255 | 524,288 | 2008-09-05 | arin |
| 173.96.0.0/11 | 173.96.0.0 | 173.127.255.255 | 2,097,152 | 2008-09-25 | arin |
| 173.128.0.0/11 | 173.128.0.0 | 173.159.255.255 | 2,097,152 | 2009-03-25 | arin |
| 173.160.0.0/13 | 173.160.0.0 | 173.167.255.255 | 524,288 | 2009-04-10 | arin |
| 173.168.0.0/13 | 173.168.0.0 | 173.175.255.255 | 524,288 | 2009-04-14 | arin |
| 173.184.0.0/13 | 173.184.0.0 | 173.191.255.255 | 524,288 | 2009-05-06 | arin |
| 173.192.0.0/15 | 173.192.0.0 | 173.193.255.255 | 131,072 | 2009-07-21 | arin |
| 173.194.0.0/16 | 173.194.0.0 | 173.194.255.255 | 65,536 | 2009-08-17 | arin |
| 173.195.0.0/20 | 173.195.0.0 | 173.195.15.255 | 4,096 | 2010-09-09 | arin |
| 173.195.16.0/20 | 173.195.16.0 | 173.195.31.255 | 4,096 | 2010-09-13 | arin |
| 173.195.32.0/20 | 173.195.32.0 | 173.195.47.255 | 4,096 | 2010-09-13 | arin |
| 173.195.64.0/20 | 173.195.64.0 | 173.195.79.255 | 4,096 | 2010-09-15 | arin |
| 173.195.80.0/20 | 173.195.80.0 | 173.195.95.255 | 4,096 | 2010-09-15 | arin |
| 173.195.96.0/24 | 173.195.96.0 | 173.195.96.255 | 256 | 2019-09-24 | arin |
| 173.195.98.0/24 | 173.195.98.0 | 173.195.98.255 | 256 | 2019-09-10 | arin |
| 173.195.100.0/22 | 173.195.100.0 | 173.195.103.255 | 1,024 | 2019-09-05 | arin |
| 173.195.107.0/24 | 173.195.107.0 | 173.195.107.255 | 256 | 2019-08-30 | arin |
| 173.195.112.0/20 | 173.195.112.0 | 173.195.127.255 | 4,096 | 2010-09-15 | arin |
| 173.195.128.0/20 | 173.195.128.0 | 173.195.143.255 | 4,096 | 2010-09-16 | arin |
| 173.195.144.0/20 | 173.195.144.0 | 173.195.159.255 | 4,096 | 2010-09-16 | arin |
| 173.195.160.0/20 | 173.195.160.0 | 173.195.175.255 | 4,096 | 2017-09-29 | arin |
| 173.195.176.0/20 | 173.195.176.0 | 173.195.191.255 | 4,096 | 2010-09-17 | arin |
| 173.195.192.0/20 | 173.195.192.0 | 173.195.207.255 | 4,096 | 2010-09-20 | arin |
| 173.195.208.0/20 | 173.195.208.0 | 173.195.223.255 | 4,096 | 2010-09-20 | arin |
| 173.195.224.0/20 | 173.195.224.0 | 173.195.239.255 | 4,096 | 2010-09-21 | arin |
| 173.195.240.0/20 | 173.195.240.0 | 173.195.255.255 | 4,096 | 2010-09-23 | arin |
| 173.196.0.0/15 | 173.196.0.0 | 173.197.255.255 | 131,072 | 2009-08-20 | arin |
| 173.198.0.0/17 | 173.198.0.0 | 173.198.127.255 | 32,768 | 2009-08-20 | arin |
| 173.198.128.0/19 | 173.198.128.0 | 173.198.159.255 | 8,192 | 2009-08-20 | arin |
| 173.198.160.0/19 | 173.198.160.0 | 173.198.191.255 | 8,192 | 2010-10-20 | arin |
| 173.198.192.0/18 | 173.198.192.0 | 173.198.255.255 | 16,384 | 2010-09-17 | arin |
| 173.199.0.0/18 | 173.199.0.0 | 173.199.63.255 | 16,384 | 2010-09-22 | arin |
| 173.199.64.0/18 | 173.199.64.0 | 173.199.127.255 | 16,384 | 2010-09-29 | arin |
| 173.199.128.0/18 | 173.199.128.0 | 173.199.191.255 | 16,384 | 2010-09-30 | arin |
| 173.199.192.0/18 | 173.199.192.0 | 173.199.255.255 | 16,384 | 2010-10-04 | arin |
| 173.201.0.0/16 | 173.201.0.0 | 173.201.255.255 | 65,536 | 2009-09-18 | arin |
| 173.202.0.0/16 | 173.202.0.0 | 173.202.255.255 | 65,536 | 2009-09-25 | arin |
| 173.203.0.0/16 | 173.203.0.0 | 173.203.255.255 | 65,536 | 2009-10-02 | arin |
| 173.204.0.0/16 | 173.204.0.0 | 173.204.255.255 | 65,536 | 2009-10-05 | arin |
| 173.205.0.0/17 | 173.205.0.0 | 173.205.127.255 | 32,768 | 2009-10-15 | arin |
| 173.205.128.0/18 | 173.205.128.0 | 173.205.191.255 | 16,384 | 2009-11-20 | arin |
| 173.205.192.0/21 | 173.205.192.0 | 173.205.199.255 | 2,048 | 2019-08-08 | arin |
| 173.205.200.0/22 | 173.205.200.0 | 173.205.203.255 | 1,024 | 2019-08-02 | arin |
| 173.205.204.0/23 | 173.205.204.0 | 173.205.205.255 | 512 | 2019-08-08 | arin |
| 173.205.206.0/23 | 173.205.206.0 | 173.205.207.255 | 512 | 2020-01-22 | arin |
| 173.205.208.0/21 | 173.205.208.0 | 173.205.215.255 | 2,048 | 2019-09-09 | arin |
| 173.205.216.0/22 | 173.205.216.0 | 173.205.219.255 | 1,024 | 2019-08-09 | arin |
| 173.205.220.0/23 | 173.205.220.0 | 173.205.221.255 | 512 | 2019-08-09 | arin |
| 173.205.222.0/23 | 173.205.222.0 | 173.205.223.255 | 512 | 2019-10-11 | arin |
| 173.205.224.0/19 | 173.205.224.0 | 173.205.255.255 | 8,192 | 2019-08-26 | arin |
| 173.207.0.0/16 | 173.207.0.0 | 173.207.255.255 | 65,536 | 2009-10-30 | arin |
| 173.208.0.0/19 | 173.208.0.0 | 173.208.31.255 | 8,192 | 2009-12-17 | arin |
| 173.208.32.0/20 | 173.208.32.0 | 173.208.47.255 | 4,096 | 2009-12-17 | arin |
| 173.208.56.0/22 | 173.208.56.0 | 173.208.59.255 | 1,024 | 2009-12-17 | arin |
| 173.208.60.0/23 | 173.208.60.0 | 173.208.61.255 | 512 | 2017-10-04 | arin |
| 173.208.62.0/23 | 173.208.62.0 | 173.208.63.255 | 512 | 2009-12-17 | arin |
| 173.208.64.0/18 | 173.208.64.0 | 173.208.127.255 | 16,384 | 2009-12-17 | arin |
| 173.208.128.0/17 | 173.208.128.0 | 173.208.255.255 | 32,768 | 2009-12-17 | arin |
| 173.209.0.0/19 | 173.209.0.0 | 173.209.31.255 | 8,192 | 2009-09-18 | arin |
| 173.209.64.0/20 | 173.209.64.0 | 173.209.79.255 | 4,096 | 2009-09-23 | arin |
| 173.209.80.0/20 | 173.209.80.0 | 173.209.95.255 | 4,096 | 2010-10-28 | arin |
| 173.209.96.0/20 | 173.209.96.0 | 173.209.111.255 | 4,096 | 2009-09-23 | arin |
| 173.209.160.0/20 | 173.209.160.0 | 173.209.175.255 | 4,096 | 2009-09-28 | arin |
| 173.209.176.0/20 | 173.209.176.0 | 173.209.191.255 | 4,096 | 2010-11-03 | arin |
| 173.209.192.0/19 | 173.209.192.0 | 173.209.223.255 | 8,192 | 2009-09-28 | arin |
| 173.209.224.0/22 | 173.209.224.0 | 173.209.227.255 | 1,024 | 2023-05-25 | arin |
| 173.209.228.0/24 | 173.209.228.0 | 173.209.228.255 | 256 | 2009-10-05 | arin |
| 173.209.229.0/24 | 173.209.229.0 | 173.209.229.255 | 256 | 2023-04-24 | arin |
| 173.209.230.0/23 | 173.209.230.0 | 173.209.231.255 | 512 | 2009-10-05 | arin |
| 173.209.234.0/23 | 173.209.234.0 | 173.209.235.255 | 512 | 2009-10-05 | arin |
| 173.209.236.0/22 | 173.209.236.0 | 173.209.239.255 | 1,024 | 2009-10-05 | arin |
| 173.209.240.0/20 | 173.209.240.0 | 173.209.255.255 | 4,096 | 2009-10-05 | arin |
| 173.210.0.0/17 | 173.210.0.0 | 173.210.127.255 | 32,768 | 2009-09-29 | arin |
| 173.211.0.0/17 | 173.211.0.0 | 173.211.127.255 | 32,768 | 2009-10-05 | arin |
| 173.211.192.0/18 | 173.211.192.0 | 173.211.255.255 | 16,384 | 2010-12-01 | arin |
| 173.212.0.0/19 | 173.212.0.0 | 173.212.31.255 | 8,192 | 2009-09-18 | arin |
| 173.212.32.0/20 | 173.212.32.0 | 173.212.47.255 | 4,096 | 2009-09-18 | arin |
| 173.212.48.0/20 | 173.212.48.0 | 173.212.63.255 | 4,096 | 2010-11-08 | arin |
| 173.213.0.0/18 | 173.213.0.0 | 173.213.63.255 | 16,384 | 2014-05-08 | arin |
| 173.213.64.0/18 | 173.213.64.0 | 173.213.127.255 | 16,384 | 2009-11-04 | arin |
| 173.213.128.0/18 | 173.213.128.0 | 173.213.191.255 | 16,384 | 2009-11-11 | arin |
| 173.213.192.0/20 | 173.213.192.0 | 173.213.207.255 | 4,096 | 2009-11-20 | arin |
| 173.213.208.0/20 | 173.213.208.0 | 173.213.223.255 | 4,096 | 2010-11-09 | arin |
| 173.213.224.0/20 | 173.213.224.0 | 173.213.239.255 | 4,096 | 2010-11-16 | arin |
| 173.213.240.0/20 | 173.213.240.0 | 173.213.255.255 | 4,096 | 2010-11-16 | arin |
| 173.214.0.0/17 | 173.214.0.0 | 173.214.127.255 | 32,768 | 2009-11-20 | arin |
| 173.214.144.0/20 | 173.214.144.0 | 173.214.159.255 | 4,096 | 2011-08-26 | arin |
| 173.214.160.0/20 | 173.214.160.0 | 173.214.175.255 | 4,096 | 2011-03-23 | arin |
| 173.214.176.0/20 | 173.214.176.0 | 173.214.191.255 | 4,096 | 2022-07-01 | arin |
| 173.214.192.0/22 | 173.214.192.0 | 173.214.195.255 | 1,024 | 2018-04-30 | arin |
| 173.214.200.0/22 | 173.214.200.0 | 173.214.203.255 | 1,024 | 2011-03-23 | ripencc |
| 173.214.204.0/24 | 173.214.204.0 | 173.214.204.255 | 256 | 2018-12-20 | arin |
| 173.214.205.0/24 | 173.214.205.0 | 173.214.205.255 | 256 | 2020-10-07 | arin |
| 173.214.206.0/24 | 173.214.206.0 | 173.214.206.255 | 256 | 2020-02-26 | arin |
| 173.214.207.0/24 | 173.214.207.0 | 173.214.207.255 | 256 | 2019-04-19 | arin |
| 173.214.224.0/20 | 173.214.224.0 | 173.214.239.255 | 4,096 | 2011-03-29 | arin |
| 173.214.240.0/20 | 173.214.240.0 | 173.214.255.255 | 4,096 | 2011-03-31 | arin |
| 173.215.0.0/17 | 173.215.0.0 | 173.215.127.255 | 32,768 | 2009-12-17 | arin |
| 173.216.0.0/14 | 173.216.0.0 | 173.219.255.255 | 262,144 | 2009-09-16 | arin |
| 173.220.0.0/16 | 173.220.0.0 | 173.220.255.255 | 65,536 | 2009-12-22 | arin |
| 173.221.0.0/16 | 173.221.0.0 | 173.221.255.255 | 65,536 | 2010-01-06 | arin |
| 173.222.0.0/15 | 173.222.0.0 | 173.223.255.255 | 131,072 | 2009-12-23 | arin |
| 173.224.0.0/20 | 173.224.0.0 | 173.224.15.255 | 4,096 | 2010-01-08 | arin |
| 173.224.16.0/20 | 173.224.16.0 | 173.224.31.255 | 4,096 | 2010-01-11 | arin |
| 173.224.32.0/20 | 173.224.32.0 | 173.224.47.255 | 4,096 | 2010-01-11 | arin |
| 173.224.64.0/20 | 173.224.64.0 | 173.224.79.255 | 4,096 | 2010-01-13 | arin |
| 173.224.80.0/20 | 173.224.80.0 | 173.224.95.255 | 4,096 | 2010-01-15 | arin |
| 173.224.96.0/20 | 173.224.96.0 | 173.224.111.255 | 4,096 | 2010-01-19 | arin |