143.81.128.0/17
Currently announced by AS721 United States Department of Defense (DoD), in the routed prefix 143.81.128.0/17.
- Current ASN
- AS721
- United States Department of Defense (DoD)
- Routed prefix
- 143.81.128.0/17
- Most specific route covering this prefix
- ASNs over time
- 1
- 2 announcement records
- RIR allocation
- ARIN
- United States · 143.81.0.0/16
Routing data · Nov 10, 2026, 12:46 UTC
ASN historyEvery routed prefix covering 143.81.128.0/17
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 143.81.128.0/17 | AS721 | United States Department of Defense (DoD) |  United States | Before monitoring | 2026-11-10 12:46 | Announcing |
| 143.81.0.0/16 | AS721 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
More specific routes5 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 143.81.200.0/24 | AS6034 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
| 143.81.201.0/24 | AS6034 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
| 143.81.222.0/24 | AS6034 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
| 143.81.223.0/24 | AS6034 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
| 143.81.224.0/19 | AS6034 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-10 12:46 | Announcing |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.