Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 131.86.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1988-10-25 |
| Last Updated | 2026-08-26 |
| 131.86.0.0/24 | N/A | 0 | 1 | 1 |
| 131.86.3.0/24 | N/A | 0 | 1 | 1 |
| 131.86.9.0/24 | N/A | 0 | 1 | 1 |
| 131.86.10.0/24 | N/A | 0 | 1 | 1 |
| 131.86.23.0/24 | N/A | 0 | 1 | 1 |
| 131.86.32.0/24 | N/A | 0 | 1 | 1 |
| 131.86.34.0/24 | N/A | 0 | 1 | 1 |
| 131.86.42.0/24 | N/A | 0 | 1 | 1 |
| 131.86.43.0/24 | N/A | 0 | 1 | 1 |
| 131.86.45.0/24 | N/A | 0 | 1 | 1 |
| 131.86.51.0/24 | N/A | 0 | 1 | 1 |
| 131.86.55.0/24 | N/A | 0 | 1 | 1 |
| 131.86.63.0/24 | N/A | 0 | 1 | 1 |
| 131.86.130.0/24 | N/A | 0 | 1 | 1 |
| 131.86.131.0/24 | N/A | 0 | 1 | 1 |
| 131.86.160.0/24 | N/A | 0 | 1 | 1 |
| 131.86.165.0/24 | N/A | 0 | 1 | 1 |
| 131.86.168.0/24 | N/A | 0 | 1 | 1 |
| 131.86.176.0/24 | N/A | 0 | 1 | 1 |
| 131.86.178.0/24 | N/A | 0 | 1 | 1 |
| 131.86.180.0/24 | N/A | 0 | 1 | 1 |
| 131.86.200.0/24 | N/A | 0 | 1 | 1 |
| 131.86.202.0/24 | N/A | 0 | 1 | 1 |
| 131.86.232.0/24 | N/A | 0 | 1 | 1 |
| 131.86.234.0/24 | N/A | 0 | 1 | 1 |
| 131.86.245.0/24 | N/A | 0 | 1 | 1 |
| 131.86.246.0/24 | N/A | 0 | 1 | 1 |
| 131.86.247.0/24 | N/A | 0 | 1 | 1 |
| 131.86.248.0/24 | N/A | 0 | 1 | 1 |
| 131.86.250.0/24 | N/A | 0 | 1 | 1 |
| 131.86.255.0/24 | N/A | 0 | 1 | 1 |