Data as of Nov 5, 2026
Autonomous system

AS19663

Cass Information Systems

Announces 512 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
12.147.44.0/24
since May 2005
BusinessAT&T Enterprises, LLC
192.69.141.0/24
since Jan 2015
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it