Data as of Nov 10, 2026
Autonomous system

AS16873

Hart Systems Inc

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

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
12.29.42.0/24
since Mar 2014
BusinessAT&T Enterprises, LLC
12.38.173.0/24
since Nov 2012
BusinessAT&T Enterprises, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it