221.0.0.0/8
975 announced IP ranges across this /8. Select a /16 block below for its own breakdown and assigned ranges.
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 221.0.0.0/16 | China (100%) | 1 | 1 | 3 |
| 221.1.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.2.0.0/16 | China (100%) | 1 | 1 | 10 |
| 221.3.0.0/16 | China (100%) | 1 | 1 | 5 |
| 221.4.0.0/16 | China (100%) | 1 | 4 | 27 |
| 221.5.0.0/16 | China (100%) | 1 | 4 | 18 |
| 221.6.0.0/16 | China (100%) | 1 | 2 | 4 |
| 221.7.0.0/16 | China (100%) | 1 | 1 | 11 |
| 221.8.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.10.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.11.0.0/16 | China (100%) | 1 | 1 | 5 |
| 221.12.0.0/16 | China (83%) | 2 | 2 | 6 |
| 221.13.0.0/16 | China (100%) | 1 | 1 | 9 |
| 221.14.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.16.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.41.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.48.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.52.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.55.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.62.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.77.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.104.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.112.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.113.0.0/16 | Japan (100%) | 1 | 2 | 2 |
| 221.114.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.118.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.119.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.120.0.0/16 | Pakistan (39%) | 11 | 14 | 41 |
| 221.121.0.0/16 | Australia (50%) | 4 | 7 | 12 |
| 221.122.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.123.0.0/16 | China (100%) | 1 | 2 | 2 |
| 221.124.0.0/16 | Hong Kong (100%) | 1 | 1 | 1 |
| 221.127.0.0/16 | Hong Kong (100%) | 1 | 1 | 2 |
| 221.128.0.0/16 | Singapore (71%) | 2 | 2 | 17 |
| 221.130.0.0/16 | China (100%) | 1 | 4 | 31 |
| 221.131.0.0/16 | China (100%) | 1 | 3 | 19 |
| 221.132.0.0/16 | Vietnam (33%) | 5 | 6 | 9 |
| 221.133.0.0/16 | South Korea (53%) | 6 | 10 | 32 |
| 221.134.0.0/16 | India (100%) | 1 | 1 | 49 |
| 221.135.0.0/16 | India (100%) | 1 | 1 | 41 |
| 221.137.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.138.0.0/16 | South Korea (100%) | 1 | 1 | 2 |
| 221.139.0.0/16 | South Korea (100%) | 1 | 5 | 8 |
| 221.140.0.0/16 | South Korea (100%) | 1 | 5 | 9 |
| 221.141.0.0/16 | United States (50%) | 2 | 2 | 2 |
| 221.144.0.0/16 | South Korea (100%) | 1 | 3 | 6 |
| 221.145.0.0/16 | South Korea (100%) | 1 | 2 | 3 |
| 221.146.0.0/16 | South Korea (100%) | 1 | 3 | 5 |
| 221.147.0.0/16 | South Korea (100%) | 1 | 4 | 6 |
| 221.149.0.0/16 | South Korea (100%) | 1 | 4 | 6 |
| 221.150.0.0/16 | South Korea (100%) | 1 | 4 | 7 |
| 221.151.0.0/16 | South Korea (100%) | 1 | 4 | 6 |
| 221.153.0.0/16 | South Korea (100%) | 1 | 1 | 1 |
| 221.154.0.0/16 | South Korea (100%) | 1 | 1 | 1 |
| 221.157.0.0/16 | South Korea (100%) | 1 | 2 | 2 |
| 221.158.0.0/16 | South Korea (100%) | 1 | 2 | 2 |
| 221.159.0.0/16 | South Korea (100%) | 1 | 2 | 3 |
| 221.160.0.0/16 | South Korea (100%) | 1 | 2 | 8 |
| 221.162.0.0/16 | South Korea (100%) | 1 | 2 | 3 |
| 221.163.0.0/16 | South Korea (100%) | 1 | 2 | 2 |
| 221.164.0.0/16 | South Korea (100%) | 1 | 3 | 8 |
| 221.165.0.0/16 | South Korea (100%) | 1 | 2 | 3 |
| 221.168.0.0/16 | South Korea (100%) | 1 | 2 | 3 |
| 221.169.0.0/16 | Taiwan (100%) | 1 | 1 | 1 |
| 221.170.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.172.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.174.0.0/16 | China (100%) | 1 | 2 | 3 |
| 221.176.0.0/16 | China (100%) | 1 | 4 | 17 |
| 221.177.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.178.0.0/16 | China (100%) | 1 | 2 | 23 |
| 221.179.0.0/16 | China (100%) | 1 | 3 | 56 |
| 221.180.0.0/16 | China (100%) | 1 | 4 | 33 |
| 221.181.0.0/16 | China (100%) | 1 | 3 | 32 |
| 221.182.0.0/16 | China (100%) | 1 | 2 | 17 |
| 221.183.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.184.0.0/16 | Japan (100%) | 1 | 1 | 1 |
| 221.192.0.0/16 | China (100%) | 1 | 2 | 5 |
| 221.194.0.0/16 | China (100%) | 1 | 2 | 4 |
| 221.197.0.0/16 | China (100%) | 1 | 2 | 2 |
| 221.199.0.0/16 | China (86%) | 2 | 4 | 7 |
| 221.202.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.207.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.208.0.0/16 | China (100%) | 1 | 1 | 2 |
| 221.209.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.210.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.213.0.0/16 | China (100%) | 1 | 1 | 8 |
| 221.214.0.0/16 | China (100%) | 1 | 1 | 6 |
| 221.215.0.0/16 | China (100%) | 1 | 1 | 7 |
| 221.216.0.0/16 | China (100%) | 1 | 1 | 5 |
| 221.220.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.222.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.224.0.0/16 | China (100%) | 1 | 2 | 15 |
| 221.225.0.0/16 | China (100%) | 1 | 2 | 106 |
| 221.226.0.0/16 | China (100%) | 1 | 4 | 7 |
| 221.227.0.0/16 | China (100%) | 1 | 2 | 2 |
| 221.228.0.0/16 | China (100%) | 1 | 3 | 15 |
| 221.229.0.0/16 | China (100%) | 1 | 3 | 25 |
| 221.230.0.0/16 | China (100%) | 1 | 2 | 2 |
| 221.231.0.0/16 | China (100%) | 1 | 3 | 8 |
| 221.232.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.233.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.234.0.0/16 | China (100%) | 1 | 1 | 1 |
| 221.235.0.0/16 | China (100%) | 1 | 4 | 7 |
| 221.236.0.0/16 | China (100%) | 1 | 3 | 14 |
| 221.237.0.0/16 | China (100%) | 1 | 4 | 6 |
| 221.238.0.0/16 | China (100%) | 1 | 2 | 33 |
| 221.239.0.0/16 | China (100%) | 1 | 2 | 16 |
| 221.240.0.0/16 | Japan (100%) | 1 | 1 | 1 |