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// ASN

AS21525

AS-SPL - Seattle Public Library, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS21525
Organization
Seattle Public Library
Description
AS-SPL - Seattle Public Library, US
Country
US
State / Region
WA
City
Seattle
Address
1000 4th Avenue
Registry (RIR)
ARIN
Created
2022-06-04
Updated
2011-09-24
IPv4 Prefixes
1
IPv6 Prefixes
1

IPv4 Prefixes

1 total
66.212.64.0/20

IPv6 Prefixes

1 total
2620:18::/48

What is AS21525?

AS21525 is an Autonomous System Number (ASN) assigned to Seattle Public Library. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.