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	Prefix	Description
	69.91.192.0/18	University of Washington
	108.179.140.0/22	University of Washington
	128.95.0.0/16	University of Washington
	128.208.0.0/16	University of Washington
	140.142.0.0/16	University of Washington
	173.250.160.0/19	University of Washington
	192.42.144.0/24	University of Washington
	198.48.64.0/19	University of Washington
	205.175.96.0/19	University of Washington
	2607:4000::/32	University of Washington

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS101	University of Washington	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS101	University of Washington	✔	✔

ASHandle:       AS73
OrgID:          UWND-Z
ASName:         WASHINGTON-AS
ASNumber:       73
RegDate:        1986-05-05
Comment:        The primary As for the University of Washington Campuses in the Puget Sound area, and also networks at our GR site dependent on AS73 for connectivity.
Updated:        2021-10-01
TechHandle:     UW-NOC-ARIN
Source:         ARIN



OrgID:          UWND-Z
OrgName:        University of Washington
CanAllocate:    
Street:         4545 15th Ave NE
City:           Seattle
State/Prov:     WA
Country:        US
PostalCode:     98105
RegDate:        2020-05-20
Updated:        2024-08-06
OrgAdminHandle: UW-NOC-ARIN
OrgTechHandle:  UW-NOC-ARIN
OrgAbuseHandle: UWSO-ARIN
OrgNOCHandle:   UW-NOC-ARIN
Source:         ARIN





OrgAdminHandle:       UW-NOC-ARIN
OrgAdminName:          University of Washington Networks and Distributed
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        UW-NOC-ARIN
OrgTechName:           University of Washington Networks and Distributed
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       UWSO-ARIN
OrgAbuseName:          University of Washington Security Operations
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         UW-NOC-ARIN
OrgNOCName:            University of Washington Networks and Distributed
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           UW-NOC-ARIN
TechName:              University of Washington Networks and Distributed
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:27:11Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-pnw-gigapop	62
RADB	as-pnw-gigapop-nlr	239
RADB	as-pnw-gigapop-i2	97
RADB	as-101-i2-participants	9
LEVEL3	as-level3-origins-na	0
RADB	as-pnw-gigapop-i	61