140.21.0.0/16
Currently announced by AS721 United States Department of Defense (DoD), in the routed prefix 140.21.0.0/16.
- Current ASN
- AS721
- United States Department of Defense (DoD)
- Routed prefix
- 140.21.0.0/16
- Most specific route covering this prefix
- ASNs over time
- 1
- 1 announcement record
- RIR allocation
- ARIN
- United States · 140.21.0.0/16
Routing data · Nov 8, 2026, 10:26 UTC
ASN historyEvery routed prefix covering 140.21.0.0/16
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 140.21.0.0/16 | AS721 | United States Department of Defense (DoD) |  United States | Before monitoring | 2026-11-08 10:26 | Announcing |
More specific routes36 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 140.21.27.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.28.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.29.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.31.0/24 | AS27046 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.32.0/20 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.56.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.57.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.58.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.60.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.64.0/20 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.99.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.112.0/23 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.116.0/24 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.128.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.132.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.136.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.140.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.144.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.148.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.152.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.156.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.160.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.164.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.168.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.172.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.176.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.180.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.184.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.188.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.196.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.200.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-08 10:26 | Announcing |
| 140.21.120.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-06 00:25 | Stopped |
| 140.21.124.0/23 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-06 00:25 | Stopped |
| 140.21.126.0/23 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-06 00:25 | Stopped |
| 140.21.192.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-06 04:22 | Stopped |
| 140.21.204.0/22 | AS5852 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-11-06 00:25 | Stopped |
Change logAll changes
The routes covering this address have had no origin changes since ASNBase started monitoring.