Summary
| Registry | APNIC |
| Country | KR |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2006-06-26 |
| Last Updated | 2026-08-26 |
| 121.88.0.0/24 | N/A | 0 | 1 | 1 |
| 121.88.4.0/24 | N/A | 0 | 1 | 2 |
| 121.88.6.0/24 | N/A | 0 | 1 | 1 |
| 121.88.7.0/24 | N/A | 0 | 1 | 1 |
| 121.88.8.0/24 | N/A | 0 | 1 | 1 |
| 121.88.16.0/24 | N/A | 0 | 1 | 1 |
| 121.88.32.0/24 | N/A | 0 | 1 | 1 |
| 121.88.48.0/24 | N/A | 0 | 1 | 1 |
| 121.88.56.0/24 | N/A | 0 | 1 | 1 |
| 121.88.64.0/24 | N/A | 0 | 1 | 1 |
| 121.88.72.0/24 | N/A | 0 | 1 | 1 |
| 121.88.80.0/24 | N/A | 0 | 1 | 1 |
| 121.88.96.0/24 | N/A | 0 | 1 | 1 |
| 121.88.112.0/24 | N/A | 0 | 1 | 1 |
| 121.88.128.0/24 | N/A | 0 | 1 | 1 |
| 121.88.130.0/24 | N/A | 0 | 1 | 1 |
| 121.88.131.0/24 | N/A | 0 | 1 | 1 |
| 121.88.132.0/24 | N/A | 0 | 1 | 1 |
| 121.88.133.0/24 | N/A | 0 | 1 | 1 |
| 121.88.134.0/24 | N/A | 0 | 1 | 1 |
| 121.88.135.0/24 | N/A | 0 | 1 | 1 |
| 121.88.136.0/24 | N/A | 0 | 1 | 1 |
| 121.88.144.0/24 | N/A | 0 | 1 | 1 |
| 121.88.152.0/24 | N/A | 0 | 1 | 1 |
| 121.88.156.0/24 | N/A | 0 | 1 | 1 |
| 121.88.160.0/24 | N/A | 0 | 1 | 1 |
| 121.88.168.0/24 | N/A | 0 | 1 | 1 |
| 121.88.176.0/24 | N/A | 0 | 1 | 1 |
| 121.88.192.0/24 | N/A | 0 | 1 | 1 |
| 121.88.208.0/24 | N/A | 0 | 1 | 1 |
| 121.88.224.0/24 | N/A | 0 | 1 | 1 |
| 121.88.240.0/24 | N/A | 0 | 1 | 1 |
| 121.88.248.0/24 | N/A | 0 | 1 | 1 |
| 121.88.249.0/24 | N/A | 0 | 1 | 1 |
| 121.88.250.0/24 | N/A | 0 | 1 | 1 |
| 121.88.251.0/24 | N/A | 0 | 1 | 1 |
| 121.88.252.0/24 | N/A | 0 | 1 | 1 |
| 121.88.254.0/24 | N/A | 0 | 1 | 1 |