Data as of Nov 10, 2026
Autonomous system

AS30021

SonicWALL, Inc.

Announces 3,072 addresses in 12 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
173.240.208.0/24
since Oct 2010
Business
173.240.209.0/24
since Oct 2010
Business
173.240.210.0/24
since Oct 2010
Business
173.240.211.0/24
since Oct 2010
Business
173.240.212.0/24
since Oct 2010
Business
173.240.213.0/24
since Oct 2010
Business
173.240.214.0/24
since Oct 2010
Business
173.240.215.0/24
since Oct 2010
Business
173.240.216.0/24
since Aug 2016
Business
173.240.221.0/24
since Dec 2016
Business
204.212.170.0/24
since Apr 2008
BusinessCogent Communications, LLC
208.17.117.0/24
since Nov 2015
BusinessCogent Communications, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it