Summary
| ASN | AS138 United States Department of Defense (DoD) |
| BGP | 131.66.0.0/16 |
| Registry | ARIN |
| Country | US |
| Status | assigned |
| IP Version | IPv4 |
| Allocated | 1988-10-25 |
| Last Updated | 2026-08-26 |
| 131.66.2.0/24 | N/A | 0 | 1 | 1 |
| 131.66.4.0/24 | N/A | 0 | 1 | 1 |
| 131.66.8.0/24 | N/A | 0 | 1 | 1 |
| 131.66.24.0/24 | N/A | 0 | 1 | 1 |
| 131.66.60.0/24 | N/A | 0 | 1 | 1 |
| 131.66.62.0/24 | N/A | 0 | 1 | 1 |
| 131.66.106.0/24 | N/A | 0 | 1 | 1 |
| 131.66.133.0/24 | N/A | 0 | 1 | 1 |
| 131.66.146.0/24 | N/A | 0 | 1 | 1 |
| 131.66.158.0/24 | N/A | 0 | 1 | 1 |
| 131.66.167.0/24 | N/A | 0 | 1 | 1 |