38.15.184.0/21

Currently announced by AS174 Cogent Communications, Inc., in the routed prefix 38.15.184.0/21.

Current ASN
AS174
Cogent Communications, Inc.
Routed prefix
38.15.184.0/21
Most specific route covering this prefix
ASNs over time
1
2 announcement records
RIR allocation
ARIN
United States · 38.0.0.0/8

Routing data · Nov 2, 2026, 04:24 UTC

ASN historyEvery routed prefix covering 38.15.184.0/21

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
38.15.184.0/21AS174Cogent Communications, Inc.United StatesBefore monitoring2026-11-02 04:24Announcing
38.0.0.0/8AS174Cogent Communications, Inc.United StatesBefore monitoring2026-11-02 04:24Announcing

More specific routes7 total

PrefixASNNameRegistered countryFirst seen (UTC)Last seen (UTC)Status
38.15.184.0/24AS17223Latisys-Chicago, LLCUnited StatesBefore monitoring2026-11-02 04:24Announcing
38.15.185.0/24AS17223Latisys-Chicago, LLCUnited StatesBefore monitoring2026-11-02 04:24Announcing
38.15.186.0/24AS17223Latisys-Chicago, LLCUnited StatesBefore monitoring2026-11-02 04:24Announcing
38.15.187.0/24AS17223Latisys-Chicago, LLCUnited StatesBefore monitoring2026-11-02 04:24Announcing
38.15.188.0/24AS29863Databank Latisys Denver AS29863United StatesBefore monitoring2026-11-02 04:24Announcing
38.15.189.0/24AS29863Databank Latisys Denver AS29863United StatesBefore monitoring2026-11-02 04:24Announcing
38.15.190.0/24AS29863Databank Latisys Denver AS29863United States2026-10-27 10:192026-11-02 04:24Announcing

Change logAll changes

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