121.238.0.0/16
53 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 121.238.129.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.138.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.139.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.140.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.141.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.142.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.143.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.144.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.149.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.152.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.155.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.156.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.157.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.159.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.160.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.161.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.162.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.168.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.172.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.173.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.177.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.180.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.183.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.184.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.188.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.192.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.195.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.196.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.197.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.198.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.201.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.202.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.204.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.210.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.213.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.215.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.218.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.221.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.223.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.226.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.229.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.230.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.231.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.233.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.234.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.239.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.240.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.242.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.244.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.245.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.246.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.251.0/24 | China (100%) | 1 | 1 | 1 |
| 121.238.254.0/24 | China (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
121.238.129.0 – 121.238.137.255 | AS140292 | China Telecom | CN |
121.238.138.0 – 121.238.138.255 | AS4134 | China Telecom | CN |
121.238.139.0 – 121.238.139.255 | AS140292 | China Telecom | CN |
121.238.140.0 – 121.238.140.255 | AS4134 | China Telecom | CN |
121.238.141.0 – 121.238.141.255 | AS140292 | China Telecom | CN |
121.238.142.0 – 121.238.142.255 | AS4134 | China Telecom | CN |
121.238.143.0 – 121.238.143.255 | AS140292 | China Telecom | CN |
121.238.144.0 – 121.238.148.255 | AS4134 | China Telecom | CN |
121.238.149.0 – 121.238.151.255 | AS140292 | China Telecom | CN |
121.238.152.0 – 121.238.154.255 | AS4134 | China Telecom | CN |
121.238.155.0 – 121.238.155.255 | AS140292 | China Telecom | CN |
121.238.156.0 – 121.238.156.255 | AS4134 | China Telecom | CN |
121.238.157.0 – 121.238.158.255 | AS140292 | China Telecom | CN |
121.238.159.0 – 121.238.159.255 | AS4134 | China Telecom | CN |
121.238.160.0 – 121.238.160.255 | AS140292 | China Telecom | CN |
38 more ranges in this block.