Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 205.56.0.0/13 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1998-05-18 |
| Last Updated | 2026-08-26 |
| 205.57.0.0/24 | N/A | 0 | 1 | 1 |
| 205.57.2.0/24 | N/A | 0 | 1 | 1 |
| 205.57.4.0/24 | N/A | 0 | 1 | 1 |
| 205.57.5.0/24 | N/A | 0 | 1 | 1 |
| 205.57.6.0/24 | N/A | 0 | 1 | 1 |
| 205.57.7.0/24 | N/A | 0 | 1 | 1 |
| 205.57.8.0/24 | N/A | 0 | 1 | 1 |
| 205.57.11.0/24 | N/A | 0 | 1 | 1 |
| 205.57.12.0/24 | N/A | 0 | 1 | 1 |
| 205.57.14.0/24 | N/A | 0 | 1 | 1 |
| 205.57.16.0/24 | N/A | 0 | 1 | 2 |
| 205.57.20.0/24 | N/A | 0 | 1 | 1 |
| 205.57.24.0/24 | N/A | 0 | 1 | 1 |
| 205.57.26.0/24 | N/A | 0 | 1 | 1 |
| 205.57.48.0/24 | N/A | 0 | 1 | 1 |
| 205.57.50.0/24 | N/A | 0 | 1 | 1 |
| 205.57.80.0/24 | N/A | 0 | 1 | 1 |
| 205.57.81.0/24 | N/A | 0 | 1 | 1 |
| 205.57.82.0/24 | N/A | 0 | 1 | 1 |
| 205.57.90.0/24 | N/A | 0 | 1 | 1 |
| 205.57.91.0/24 | N/A | 0 | 1 | 1 |
| 205.57.92.0/24 | N/A | 0 | 1 | 1 |
| 205.57.101.0/24 | N/A | 0 | 1 | 1 |
| 205.57.102.0/24 | N/A | 0 | 1 | 1 |
| 205.57.120.0/24 | N/A | 0 | 1 | 1 |
| 205.57.121.0/24 | N/A | 0 | 1 | 1 |
| 205.57.122.0/24 | N/A | 0 | 1 | 1 |
| 205.57.134.0/24 | N/A | 0 | 1 | 1 |
| 205.57.135.0/24 | N/A | 0 | 1 | 1 |
| 205.57.136.0/24 | N/A | 0 | 1 | 1 |