Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2012-06-22 |
| Last Updated | 2026-08-26 |
| 172.221.0.0/24 | N/A | 0 | 1 | 1 |
| 172.221.64.0/24 | N/A | 0 | 1 | 1 |
| 172.221.128.0/24 | N/A | 0 | 1 | 1 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 2012-06-22 |
| Last Updated | 2026-08-26 |
| 172.221.0.0/24 | N/A | 0 | 1 | 1 |
| 172.221.64.0/24 | N/A | 0 | 1 | 1 |
| 172.221.128.0/24 | N/A | 0 | 1 | 1 |