137.0.0.0/13
Currently announced by AS721 United States Department of Defense (DoD), in the routed prefix 137.0.0.0/13.
- Current ASN
- AS721
- United States Department of Defense (DoD)
- Routed prefix
- 137.0.0.0/13
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- —
- No allocation record found
Routing data · Nov 2, 2026, 14:22 UTC
ASN historyEvery routed prefix covering 137.0.0.0/13
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 137.0.0.0/13 | AS721 | United States Department of Defense (DoD) |  United States | Before monitoring | 2026-11-02 14:22 | Announcing |
More specific routes29 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 137.0.0.0/16 | AS391 | Air Force Systems Networking | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.1.0.0/16 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.0.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.16.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.32.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.48.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.64.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.80.0/21 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.112.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.2.128.0/18 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.3.0.0/16 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.3.120.0/24 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.4.0.0/16 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.4.120.0/24 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.0.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.16.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.32.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.48.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.64.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.80.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.96.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.112.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.128.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.144.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.160.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.176.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.192.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.6.208.0/20 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
| 137.7.0.0/16 | AS56 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-02 14:22 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.