Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 131.87.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1988-10-25 |
| Last Updated | 2026-08-26 |
| 131.87.6.0/24 | N/A | 0 | 1 | 1 |
| 131.87.7.0/24 | N/A | 0 | 1 | 1 |
| 131.87.10.0/24 | N/A | 0 | 1 | 1 |
| 131.87.12.0/24 | N/A | 0 | 1 | 1 |
| 131.87.13.0/24 | N/A | 0 | 1 | 1 |
| 131.87.40.0/24 | N/A | 0 | 1 | 1 |
| 131.87.53.0/24 | N/A | 0 | 1 | 1 |
| 131.87.60.0/24 | N/A | 0 | 1 | 1 |
| 131.87.68.0/24 | N/A | 0 | 1 | 1 |
| 131.87.93.0/24 | N/A | 0 | 1 | 1 |
| 131.87.98.0/24 | N/A | 0 | 1 | 1 |
| 131.87.99.0/24 | N/A | 0 | 1 | 1 |
| 131.87.100.0/24 | N/A | 0 | 1 | 1 |
| 131.87.104.0/24 | N/A | 0 | 1 | 1 |
| 131.87.108.0/24 | N/A | 0 | 1 | 1 |
| 131.87.112.0/24 | N/A | 0 | 1 | 1 |
| 131.87.204.0/24 | N/A | 0 | 1 | 1 |
| 131.87.235.0/24 | N/A | 0 | 1 | 1 |
| 131.87.237.0/24 | N/A | 0 | 1 | 1 |
| 131.87.243.0/24 | N/A | 0 | 1 | 1 |
| 131.87.245.0/24 | N/A | 0 | 1 | 1 |
| 131.87.249.0/24 | N/A | 0 | 1 | 1 |
| 131.87.250.0/24 | N/A | 0 | 1 | 1 |
| 131.87.251.0/24 | N/A | 0 | 1 | 1 |
| 131.87.252.0/24 | N/A | 0 | 1 | 1 |
| 131.87.254.0/24 | N/A | 0 | 1 | 1 |
| 131.87.255.0/24 | N/A | 0 | 1 | 1 |