Summary
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1993-03-01 |
| Last Updated | 2026-08-26 |
| 161.221.0.0/24 | N/A | 0 | 1 | 1 |
| 161.221.1.0/24 | N/A | 0 | 1 | 1 |
| 161.221.2.0/24 | N/A | 0 | 1 | 1 |
| 161.221.3.0/24 | N/A | 0 | 1 | 1 |
| 161.221.4.0/24 | N/A | 0 | 1 | 1 |
| 161.221.5.0/24 | N/A | 0 | 1 | 1 |
| 161.221.6.0/24 | N/A | 0 | 1 | 1 |
| 161.221.10.0/24 | N/A | 0 | 1 | 1 |
| 161.221.11.0/24 | N/A | 0 | 1 | 1 |
| 161.221.12.0/24 | N/A | 0 | 1 | 1 |
| 161.221.13.0/24 | N/A | 0 | 1 | 1 |
| 161.221.18.0/24 | N/A | 0 | 1 | 1 |
| 161.221.20.0/24 | N/A | 0 | 1 | 1 |
| 161.221.24.0/24 | N/A | 0 | 1 | 1 |
| 161.221.25.0/24 | N/A | 0 | 1 | 1 |
| 161.221.28.0/24 | N/A | 0 | 1 | 1 |
| 161.221.74.0/24 | N/A | 0 | 1 | 2 |
| 161.221.75.0/24 | N/A | 0 | 1 | 1 |
| 161.221.76.0/24 | N/A | 0 | 1 | 2 |
| 161.221.77.0/24 | N/A | 0 | 1 | 1 |
| 161.221.78.0/24 | N/A | 0 | 1 | 2 |
| 161.221.79.0/24 | N/A | 0 | 1 | 1 |
| 161.221.80.0/24 | N/A | 0 | 1 | 2 |
| 161.221.81.0/24 | N/A | 0 | 1 | 1 |
| 161.221.82.0/24 | N/A | 0 | 1 | 1 |
| 161.221.84.0/24 | N/A | 0 | 1 | 1 |
| 161.221.85.0/24 | N/A | 0 | 1 | 1 |
| 161.221.87.0/24 | N/A | 0 | 1 | 1 |
| 161.221.90.0/24 | N/A | 0 | 1 | 2 |
| 161.221.91.0/24 | N/A | 0 | 1 | 1 |
| 161.221.92.0/24 | N/A | 0 | 1 | 1 |
| 161.221.94.0/24 | N/A | 0 | 1 | 1 |
| 161.221.95.0/24 | N/A | 0 | 1 | 1 |
| 161.221.97.0/24 | N/A | 0 | 1 | 1 |
| 161.221.98.0/24 | N/A | 0 | 1 | 1 |