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	Prefix	Description
	66.212.64.0/20	Seattle Public Library
	2620:18::/48	Seattle Public Library

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✘
	AS2914	NTT America, Inc.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✘
	AS55850	Mercury NZ Limited	✔	✘
	AS9002	RETN Limited	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS64289	Macarne.com	✔	✘
	AS26073	Cofractal, Inc.	✔	✘
	AS6327	Shaw Communications	✔	✘
	AS395823	doof.net	✔	✘
	AS47689	Pudu, LLC	✔	✘
	AS47272	HYEHOST LLC	✔	✘
	AS27523	Kawaii Networks LLC	✔	✘
	AS7575	Australian Academic and Research Network (AARNet)	✔	✘
	AS4842	Tianhai InfoTech	✔	✘
	AS16909	imput	✔	✘
	AS400818	Ausra LLC	✔	✘
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS205329	Kai-Jung Chen	✔	✘
	AS27578	AirBridge Broadband LLC	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS46733	x6c	✔	✘
	AS46997	Black Mesa Corporation	✔	✘
	AS52210	Accuris Technologies Ltd.	✔	✘
	AS401703	Ordinal Advisors LLC	✔	✘
	AS4474	TCT West, Inc.	✔	✘
	AS23033	Wowrack.com	✔	✘
	AS394256	Tech Futures Interactive Inc.	✔	✘
	AS20055	Ziply Fiber	✔	✘
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS34927	iFog GmbH	✔	✘
	AS32133	Ting Fiber Inc.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS4213	Krypt Technologies	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS397326	South Front Networks	✔	✘
	AS54429	Local Connectivity Lab	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS50131	Spartan Host Ltd	✔	✘
	AS23428	ServerForge LLC	✔	✘
	AS10242	US Internet Corp	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS53597	Hoyos Consulting LLC	✔	✘
	AS398465	Rackdog LLC	✔	✘
	AS400304	Redoubt Networks (Crunchbits)	✔	✘

ASHandle:       AS21525
OrgID:          SPL
ASName:         AS-SPL
ASNumber:       21525
RegDate:        2001-05-16
Updated:        2012-03-02
TechHandle:     NETWO3608-ARIN
Source:         ARIN



OrgID:          SPL
OrgName:        Seattle Public Library
CanAllocate:    
Street:         1000 4th Avenue
City:           Seattle
State/Prov:     WA
Country:        US
PostalCode:     98104-1109
RegDate:        1993-05-17
Updated:        2011-09-24
OrgAdminHandle: SPLNE-ARIN
OrgTechHandle:  NETWO3608-ARIN
OrgAbuseHandle: NETWO3608-ARIN
Source:         ARIN





OrgAdminHandle:       SPLNE-ARIN
OrgAdminName:          SPL-Netadmin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO3608-ARIN
OrgTechName:           Network Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO3608-ARIN
OrgAbuseName:          Network Operations
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           NETWO3608-ARIN
TechName:              Network Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:28:55Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as2914:as-us	71800
LEVEL3	as-level3-origins-na	0
NTTCOM	as21525:as-global	1
NTTCOM	as2914:as-us-v6	71387
RADB	as-hurricanev6	20185
LEVEL3	as-sprint-origins	7309