Data as of Nov 13, 2026
Autonomous system

AS33345

Sierra Experts

Announces 1,536 addresses in 3 prefixes. None of it is anonymizer space.

Type
Internet provider
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
38.107.149.0/24
since Jul 2009
Internet providerCogent Communications, LLC
38.107.151.0/24
since Jul 2010
Internet providerCogent Communications, LLC
38.107.156.0/22
since Jan 2018
Internet providerCogent Communications, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it