Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1986-10-21 |
| Last Updated | 2026-08-26 |
| 128.172.0.0/24 | N/A | 0 | 1 | 1 |
| 128.172.64.0/24 | N/A | 0 | 1 | 1 |
| 128.172.128.0/24 | N/A | 0 | 1 | 1 |
| 128.172.192.0/24 | N/A | 0 | 1 | 1 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1986-10-21 |
| Last Updated | 2026-08-26 |
| 128.172.0.0/24 | N/A | 0 | 1 | 1 |
| 128.172.64.0/24 | N/A | 0 | 1 | 1 |
| 128.172.128.0/24 | N/A | 0 | 1 | 1 |
| 128.172.192.0/24 | N/A | 0 | 1 | 1 |