Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1987-08-06 |
| Last Updated | 2026-08-26 |
| 129.51.0.0/24 | N/A | 0 | 1 | 1 |
| 129.51.2.0/24 | N/A | 0 | 1 | 1 |
| 129.51.3.0/24 | N/A | 0 | 1 | 1 |
| 129.51.4.0/24 | N/A | 0 | 1 | 1 |
| 129.51.5.0/24 | N/A | 0 | 1 | 1 |
| 129.51.6.0/24 | N/A | 0 | 1 | 1 |
| 129.51.8.0/24 | N/A | 0 | 1 | 1 |
| 129.51.16.0/24 | N/A | 0 | 1 | 1 |
| 129.51.32.0/24 | N/A | 0 | 1 | 1 |
| 129.51.64.0/24 | N/A | 0 | 1 | 1 |
| 129.51.96.0/24 | N/A | 0 | 1 | 1 |
| 129.51.100.0/24 | N/A | 0 | 1 | 1 |
| 129.51.102.0/24 | N/A | 0 | 1 | 1 |
| 129.51.104.0/24 | N/A | 0 | 1 | 1 |
| 129.51.112.0/24 | N/A | 0 | 1 | 1 |
| 129.51.128.0/24 | N/A | 0 | 1 | 1 |