Summary
| ASN | AS4837 CNCGROUP IP network of ShangHai IDC |
| BGP | 121.31.0.0/16 |
| Registry | APNIC |
| Country | CN |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2006-06-09 |
| Last Updated | 2026-08-26 |
| 121.31.28.0/24 | N/A | 0 | 1 | 1 |
| 121.31.40.0/24 | N/A | 0 | 1 | 1 |
| 121.31.204.0/24 | N/A | 0 | 1 | 1 |
| 121.31.208.0/24 | N/A | 0 | 1 | 2 |