AS21525

Name: AS21525 — Seattle Public Library
Creator: ipdex

Seattle Public Library Education registered in United States

1IPv4 prefixes

1IPv6 prefixes

#20,956AS Rank

327/327RIS visibility

#8,997Rank in United States

2001-05-16Allocated

Seattle Public Library (AS21525) — Education, registered in United States. announces 1 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #8997. Allocated: 2001-05-16.

IPv4 1IPv6 1

Announced prefixes · 2

v4 66.212.64.0/20 unknown
v6 2620:18::/48 unknown

Routing: 1 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	2
2026-06-13	2

Internet Exchanges · 1

SIX Seattle Seattle 10 Gbps

AS topology · Customer cone 1

Providers · 2

AS2914 NTT America, Inc.
AS6461 Zayo Bandwidth

Peers · 16

AS6939 Hurricane Electric LLC
AS9002 RETN Limited
AS137409 GSL Networks Pty LTD
AS35280 F5 Networks SARL
AS24482 SG.GS
AS34927 iFog GmbH

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