AS23291

Name: AS23291 — Flagstar Bank
Creator: ipdex

Flagstar Bank Unknown registered in United States

4IPv4 prefixes

0IPv6 prefixes

#21,968AS Rank

327/327RIS visibility

#6,069Rank in United States

2002-02-21Allocated

Flagstar Bank (AS23291) — Unknown, registered in United States. announces 4 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #6069. Allocated: 2002-02-21.

IPv4 4IPv6 0

Announced prefixes · 4

v4 12.159.49.0/24 unknown
v4 12.162.250.0/24 unknown
v4 63.78.207.0/24 unknown
v4 63.85.49.0/24 unknown

Routing: 4 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-19

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 3

AS7018 AT&T Enterprises, LLC
AS701 Verizon Business
AS13335 Cloudflare, Inc.

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