Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 138.144.0.0/12 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1992-04-03 |
| Last Updated | 2026-08-26 |
| 138.157.0.0/24 | N/A | 0 | 1 | 1 |
| 138.157.56.0/24 | N/A | 0 | 1 | 1 |
| 138.157.57.0/24 | N/A | 0 | 1 | 1 |
| 138.157.64.0/24 | N/A | 0 | 1 | 1 |
| 138.157.68.0/24 | N/A | 0 | 1 | 1 |
| 138.157.78.0/24 | N/A | 0 | 1 | 1 |
| 138.157.80.0/24 | N/A | 0 | 1 | 1 |
| 138.157.84.0/24 | N/A | 0 | 1 | 1 |
| 138.157.88.0/24 | N/A | 0 | 1 | 1 |
| 138.157.98.0/24 | N/A | 0 | 1 | 1 |
| 138.157.105.0/24 | N/A | 0 | 1 | 1 |
| 138.157.106.0/24 | N/A | 0 | 1 | 1 |
| 138.157.110.0/24 | N/A | 0 | 1 | 1 |
| 138.157.112.0/24 | N/A | 0 | 1 | 1 |
| 138.157.114.0/24 | N/A | 0 | 1 | 1 |
| 138.157.115.0/24 | N/A | 0 | 1 | 1 |
| 138.157.116.0/24 | N/A | 0 | 1 | 1 |
| 138.157.119.0/24 | N/A | 0 | 1 | 1 |
| 138.157.122.0/24 | N/A | 0 | 1 | 1 |
| 138.157.124.0/24 | N/A | 0 | 1 | 1 |
| 138.157.130.0/24 | N/A | 0 | 1 | 1 |
| 138.157.131.0/24 | N/A | 0 | 1 | 1 |
| 138.157.133.0/24 | N/A | 0 | 1 | 1 |
| 138.157.207.0/24 | N/A | 0 | 1 | 1 |
| 138.157.210.0/24 | N/A | 0 | 1 | 1 |
| 138.157.211.0/24 | N/A | 0 | 1 | 1 |
| 138.157.212.0/24 | N/A | 0 | 1 | 1 |
| 138.157.216.0/24 | N/A | 0 | 1 | 1 |
| 138.157.224.0/24 | N/A | 0 | 1 | 1 |
| 138.157.240.0/24 | N/A | 0 | 1 | 1 |
| 138.157.248.0/24 | N/A | 0 | 1 | 1 |