121.251.0.0/16
2 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 121.251.144.0/24 | China (100%) | 1 | 1 | 1 |
| 121.251.240.0/24 | China (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
121.251.144.0 – 121.251.239.255 | AS4538 | China Education and Research Network Center | CN |
121.251.240.0 – 121.251.255.255 | AS4538 | China Education and Research Network Center | CN |