155.151.0.0/16

Currently announced by AS1540 Headquarters, USAISC, in the routed prefix 155.151.0.0/16.

Current ASN
AS1540
Headquarters, USAISC
Routed prefix
155.151.0.0/16
Most specific route covering this prefix
ASNs over time
2
2 announcement records
RIR allocation
ARIN
United States · 155.151.0.0/16

Routing data · Nov 8, 2026, 10:26 UTC

ASN historyEvery routed prefix covering 155.151.0.0/16

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
155.151.0.0/16AS1540Headquarters, USAISCUnited StatesBefore monitoring2026-11-08 10:26Announcing
155.150.0.0/15AS721United States Department of Defense (DoD)United StatesBefore monitoring2026-11-08 10:26Announcing

More specific routes3 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
155.151.6.0/24AS1540Headquarters, USAISCUnited StatesBefore monitoring2026-11-08 10:26Announcing
155.151.7.0/24AS1540Headquarters, USAISCUnited States2026-11-06 22:262026-11-08 10:26Announcing
155.151.167.0/24AS1540Headquarters, USAISCUnited StatesBefore monitoring2026-11-08 10:26Announcing

Change logAll changes

The routes covering this address have had no origin changes since ASNBase started monitoring.