Data as of Nov 10, 2026
Autonomous system

AS23291

Flagstar Bank

Announces 1,024 addresses in 4 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
12.159.49.0/24
since Aug 2016
BusinessAT&T Enterprises, LLC
12.162.250.0/24
since Aug 2016
BusinessAT&T Enterprises, LLC
63.78.207.0/24
since May 2005
BusinessVerizon Business
63.85.49.0/24
since Mar 2020
BusinessVerizon Business
via Flagstar Bank

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it