Data as of Nov 10, 2026
Autonomous system

AS54183

Peer39 Inc

Announces 2,816 addresses in 15 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
38.76.28.0/23
since Aug 2019
BusinessCogent Communications, LLC
38.76.28.0/24
since Aug 2019
BusinessCogent Communications, LLC
38.76.29.0/24
since Aug 2019
BusinessCogent Communications, LLC
38.98.16.0/23
since Aug 2016
BusinessCogent Communications, LLC
38.98.16.0/24
since Aug 2016
BusinessCogent Communications, LLC
38.98.17.0/24
since Oct 2016
BusinessCogent Communications, LLC
38.143.100.0/24
since Nov 2020
BusinessCogent Communications, LLC
154.57.156.0/23
since Jan 2015
BusinessCogent Communications, LLC
154.57.156.0/24
since Mar 2015
BusinessCogent Communications, LLC
154.57.157.0/24
since Mar 2015
BusinessCogent Communications, LLC
204.15.208.0/23
since Oct 2020
Business
204.15.208.0/24
since Oct 2020
Business
204.15.209.0/24
since Oct 2020
Business
204.15.210.0/24
since Oct 2020
Business
204.15.211.0/24
since Oct 2020
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it