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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	146.129.0.0/17	King County Gov
	146.129.0.0/16	King County Gov
	146.129.128.0/18	King County Gov
	146.129.192.0/19	King County Gov
	146.129.224.0/20	King County Gov
	146.129.240.0/24	King County Gov
	146.129.241.0/24	King County Gov
	146.129.242.0/24	King County Gov
	146.129.243.0/24	King County Gov
	146.129.244.0/24	King County Gov
	146.129.245.0/24	King County Gov
	146.129.246.0/24	King County Gov
	146.129.247.0/24	King County Gov
	146.129.248.0/24	King County Gov
	146.129.249.0/24	King County Gov
	146.129.250.0/24	King County Gov
	146.129.251.0/24	King County Gov
	146.129.252.0/24	King County Gov
	146.129.253.0/24	King County Gov
	146.129.254.0/24	King County Gov
	146.129.255.0/24	King County Gov
	198.49.222.0/24	King County Gov

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS14361	HopOne Internet Corporation	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS33348	Pierce County	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS32148	King County Library System	✔	✘
	AS30198	Kent School District	✔	✘
	AS14361	HopOne Internet Corporation	✔	✘
	AS399987	Tacoma-Pierce County Health Department	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✘
	AS19014	NORCOM	✔	✘
	AS396890	City of Redmond Washington	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✘
	AS9002	RETN Limited	✔	✘
	AS26073	Cofractal, Inc.	✔	✘
	AS55850	Mercury NZ Limited	✔	✘
	AS394640	Tahoma School District No. 409	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS47689	Pudu, LLC	✔	✘
	AS27523	Kawaii Networks LLC	✔	✘
	AS64289	Macarne.com	✔	✘
	AS46997	Black Mesa Corporation	✔	✘
	AS205329	Kai-Jung Chen	✔	✘
	AS401703	Ordinal Advisors LLC	✔	✘
	AS6327	Shaw Communications	✔	✘
	AS395823	doof.net	✔	✘
	AS47272	HYEHOST LLC	✔	✘
	AS23033	Wowrack.com	✔	✘
	AS27578	AirBridge Broadband LLC	✔	✘
	AS4474	TCT West, Inc.	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS16909	imput	✔	✘
	AS7575	Australian Academic and Research Network (AARNet)	✔	✘
	AS46733	x6c	✔	✘
	AS4842	Tianhai InfoTech	✔	✘
	AS52210	Accuris Technologies Ltd.	✔	✘
	AS400818	Ausra LLC	✔	✘
	AS11404	Wave Broadband	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS54429	Local Connectivity Lab	✔	✘
	AS398465	Rackdog LLC	✔	✘
	AS10242	US Internet Corp	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS394256	Tech Futures Interactive Inc.	✔	✘
	AS400304	Redoubt Networks (Crunchbits)	✔	✘
	AS50131	Spartan Host Ltd	✔	✘
	AS23428	ServerForge LLC	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS4213	Krypt Technologies	✔	✘
	AS15169	Google LLC	✔	✘
	AS397326	South Front Networks	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS53597	Hoyos Consulting LLC	✔	✘
	AS32133	Ting Fiber Inc.	✔	✘
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS20055	Ziply Fiber	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS34927	iFog GmbH	✔	✘
	AS293	ESnet	✔	✘
	AS30577	City of Bellevue IT Dept	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS30198	Kent School District	✔	✘
	AS396890	City of Redmond Washington	✔	✘
	AS19014	NORCOM	✔	✘
	AS394640	Tahoma School District No. 409	✔	✘
	AS32148	King County Library System	✔	✘
	AS33348	Pierce County	✔	✘
	AS399987	Tacoma-Pierce County Health Department	✔	✘

ASHandle:       AS2544
OrgID:          MMS-7
ASName:         METRO-AS
ASNumber:       2544
RegDate:        1993-03-09
Updated:        2010-04-07
Source:         ARIN



OrgID:          MMS-7
OrgName:        King County Gov
CanAllocate:    
Street:         401 5th AVE
Street:         Suite 700
City:           Seattle
State/Prov:     WA
Country:        US
PostalCode:     98104
RegDate:        1991-02-08
Updated:        2018-12-12
OrgAdminHandle: NOC2926-ARIN
OrgTechHandle:  NOC2926-ARIN
OrgAbuseHandle: NOC2926-ARIN
OrgNOCHandle:   NOC2926-ARIN
Source:         ARIN





OrgAdminHandle:       NOC2926-ARIN
OrgAdminName:          Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NOC2926-ARIN
OrgTechName:           Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NOC2926-ARIN
OrgAbuseName:          Network Operations Center
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC2926-ARIN
OrgNOCName:            Network Operations Center
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:33:44Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-kcwan	1
RADB	as-kcinet	10
LEVEL3	as-level3-origins-na	0
RADB	as2544:as-cone	1
BELL	as-gtpeers	73
RADB	as-hopone	12
ALTDB	as3742:as-p	96
LEVEL3	as-level3-customers-na	0
LEVEL3	as-sprint-origins	7309