AS21326

Name: AS21326 — AT&T OpenNet-Service-AS
Creator: ipdex

AT&T OpenNet-Service-AS Unknown registered in United States

7IPv4 prefixes

1IPv6 prefixes

#20,874AS Rank

327/327RIS visibility

#3,808Rank in United States

2001-11-01Allocated

AT&T OpenNet-Service-AS (AS21326) — Unknown, registered in United States. announces 7 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #3808. Allocated: 2001-11-01.

IPv4 7IPv6 1

Announced prefixes · 8

v4 15.32.64.0/18 unknown
v4 15.32.76.0/23 unknown
v4 15.36.120.0/22 unknown
v4 15.36.124.0/23 unknown
v4 15.36.69.0/24 unknown
v4 15.36.70.0/23 unknown
v4 15.40.75.0/24 unknown
v6 2608:c16b:2000::/40 unknown

Routing: 9 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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	8
2026-06-13	8

AS topology · Customer cone 1

Providers · 1

AS25888 HP Inc.

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