Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 131.4.0.0/15 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1988-09-08 |
| Last Updated | 2026-08-26 |
| 131.5.48.0/24 | N/A | 0 | 1 | 1 |
| 131.5.56.0/24 | N/A | 0 | 1 | 2 |
| 131.5.57.0/24 | N/A | 0 | 1 | 1 |
| 131.5.60.0/24 | N/A | 0 | 1 | 1 |