Summary
| ASN | AS721 United States Department of Defense (DoD) |
| BGP | 138.136.0.0/13 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1990-04-19 |
| Last Updated | 2026-08-26 |
| 138.140.4.0/24 | N/A | 0 | 1 | 1 |
| 138.140.51.0/24 | N/A | 0 | 1 | 1 |
| 138.140.52.0/24 | N/A | 0 | 1 | 1 |
| 138.140.54.0/24 | N/A | 0 | 1 | 1 |
| 138.140.56.0/24 | N/A | 0 | 1 | 1 |
| 138.140.57.0/24 | N/A | 0 | 1 | 1 |
| 138.140.58.0/24 | N/A | 0 | 1 | 1 |
| 138.140.59.0/24 | N/A | 0 | 1 | 1 |
| 138.140.60.0/24 | N/A | 0 | 1 | 1 |
| 138.140.61.0/24 | N/A | 0 | 1 | 1 |
| 138.140.63.0/24 | N/A | 0 | 1 | 1 |
| 138.140.68.0/24 | N/A | 0 | 1 | 1 |
| 138.140.70.0/24 | N/A | 0 | 1 | 1 |
| 138.140.71.0/24 | N/A | 0 | 1 | 1 |
| 138.140.88.0/24 | N/A | 0 | 1 | 1 |
| 138.140.89.0/24 | N/A | 0 | 1 | 1 |
| 138.140.96.0/24 | N/A | 0 | 1 | 1 |
| 138.140.161.0/24 | N/A | 0 | 1 | 1 |
| 138.140.192.0/24 | N/A | 0 | 1 | 1 |
| 138.140.201.0/24 | N/A | 0 | 1 | 1 |
| 138.140.203.0/24 | N/A | 0 | 1 | 1 |
| 138.140.204.0/24 | N/A | 0 | 1 | 1 |
| 138.140.224.0/24 | N/A | 0 | 1 | 1 |
| 138.140.228.0/24 | N/A | 0 | 1 | 1 |
| 138.140.229.0/24 | N/A | 0 | 1 | 1 |
| 138.140.231.0/24 | N/A | 0 | 1 | 1 |
| 138.140.248.0/24 | N/A | 0 | 1 | 1 |