155.8.0.0/16
Currently announced by AS1540 Headquarters, USAISC, in the routed prefix 155.8.0.0/16.
- Current ASN
- AS1540
- Headquarters, USAISC
- Routed prefix
- 155.8.0.0/16
- Most specific route covering this prefix
- ASNs over time
- 3
- 3 announcement records
- RIR allocation
- ARIN
- United States · 155.8.0.0/16
Routing data · Oct 22, 2026, 18:21 UTC
ASN historyEvery routed prefix covering 155.8.0.0/16
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 155.8.0.0/16 | AS1540 | Headquarters, USAISC |  United States | 2026-10-22 02:18 | 2026-10-22 18:21 | Announcing |
| 155.8.0.0/16 | AS367 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-10-22 00:20 | Stopped |
| 155.8.0.0/15 | AS721 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-10-22 18:21 | Announcing |
More specific routes2 total
| Prefix | ASN | Name | Registered country | First seen (UTC) | Last seen (UTC) | Status |
|---|---|---|---|---|---|---|
| 155.8.193.0/24 | AS1540 | Headquarters, USAISC | United States | Before monitoring | 2026-10-22 18:21 | Announcing |
| 155.8.252.0/24 | AS367 | United States Department of Defense (DoD) | United States | Before monitoring | 2026-10-22 08:21 | Stopped |
Change logAll changes
| Detected (UTC) | Prefix | Change | ASN | Name | Previous ASN | Country |
|---|---|---|---|---|---|---|
| 2026-10-22 02:18 | 155.8.0.0/16 | Origin change | AS1540 | Headquarters, USAISC | AS367 | United States |