Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 131.73.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1988-10-25 |
| Last Updated | 2026-08-26 |
| 131.73.0.0/24 | N/A | 0 | 1 | 1 |
| 131.73.1.0/24 | N/A | 0 | 1 | 1 |
| 131.73.2.0/24 | N/A | 0 | 1 | 1 |
| 131.73.3.0/24 | N/A | 0 | 1 | 1 |
| 131.73.4.0/24 | N/A | 0 | 1 | 1 |
| 131.73.5.0/24 | N/A | 0 | 1 | 1 |
| 131.73.6.0/24 | N/A | 0 | 1 | 1 |
| 131.73.7.0/24 | N/A | 0 | 1 | 1 |
| 131.73.8.0/24 | N/A | 0 | 1 | 1 |
| 131.73.9.0/24 | N/A | 0 | 1 | 1 |
| 131.73.10.0/24 | N/A | 0 | 1 | 1 |
| 131.73.16.0/24 | N/A | 0 | 1 | 1 |
| 131.73.17.0/24 | N/A | 0 | 1 | 1 |
| 131.73.19.0/24 | N/A | 0 | 1 | 1 |
| 131.73.20.0/24 | N/A | 0 | 1 | 1 |
| 131.73.21.0/24 | N/A | 0 | 1 | 1 |
| 131.73.22.0/24 | N/A | 0 | 1 | 1 |
| 131.73.24.0/24 | N/A | 0 | 1 | 1 |
| 131.73.25.0/24 | N/A | 0 | 1 | 1 |
| 131.73.26.0/24 | N/A | 0 | 1 | 1 |
| 131.73.27.0/24 | N/A | 0 | 1 | 1 |
| 131.73.28.0/24 | N/A | 0 | 1 | 1 |
| 131.73.29.0/24 | N/A | 0 | 1 | 1 |
| 131.73.30.0/24 | N/A | 0 | 1 | 1 |
| 131.73.31.0/24 | N/A | 0 | 1 | 1 |
| 131.73.32.0/24 | N/A | 0 | 1 | 1 |
| 131.73.33.0/24 | N/A | 0 | 1 | 1 |
| 131.73.39.0/24 | N/A | 0 | 1 | 1 |
| 131.73.64.0/24 | N/A | 0 | 1 | 1 |
| 131.73.65.0/24 | N/A | 0 | 1 | 1 |
| 131.73.66.0/24 | N/A | 0 | 1 | 1 |
| 131.73.67.0/24 | N/A | 0 | 1 | 1 |
| 131.73.68.0/24 | N/A | 0 | 1 | 1 |
| 131.73.69.0/24 | N/A | 0 | 1 | 1 |
| 131.73.70.0/24 | N/A | 0 | 1 | 1 |
| 131.73.71.0/24 | N/A | 0 | 1 | 1 |
| 131.73.72.0/24 | N/A | 0 | 1 | 1 |
| 131.73.73.0/24 | N/A | 0 | 1 | 1 |