AS101 University of Washington

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

AS101 – University of Washington

AS Number	101
AS Name	WASH-NSF-AS
Organization	University of Washington(uwnd-z)
Country	US
Website	uw.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	5
ASN type	EDUCATION
Allocation Status	assigned
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:1860:4000::/34	AS101	University of Washington	Pacific Northwest Gigapop	~20×10²⁷
2001:1860:8000::/34	AS101	University of Washington	Pacific Northwest Gigapop	~20×10²⁷
207.231.240.0/20	AS101	University of Washington	Pacific Wave	4096
209.124.176.0/21	AS101	University of Washington	Pacific Northwest Gigapop	2048
2001:1860::/32	AS101	University of Washington	Pacific Northwest Gigapop	~79×10²⁷
209.124.184.0/21	AS101	University of Washington	Pacific Northwest Gigapop	2048
2001:504:b::/48	AS101	University of Washington	Pacific Wave	~1×10²⁴
2001:1860:c000::/34	AS101	University of Washington	Pacific Northwest Gigapop	~20×10²⁷
209.124.176.0/20	AS101	University of Washington	Pacific Northwest Gigapop	4096

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       101
ASName:         WASH-NSF-AS
ASHandle:       AS101
RegDate:        1987-03-31
Updated:        2021-10-01    
Ref:            https://rdap.arin.net/registry/autnum/101


OrgName:        University of Washington
OrgId:          UWND-Z
Address:        4545 15th Ave NE
City:           Seattle
StateProv:      WA
PostalCode:     98105
Country:        US
RegDate:        2020-05-20
Updated:        2024-08-06
Ref:            https://rdap.arin.net/registry/entity/UWND-Z


OrgNOCHandle: UW-NOC-ARIN
OrgNOCName:   University of Washington Networks and Distributed
OrgNOCPhone:  +1-206-221-6000 
OrgNOCEmail:  uw-noc@uw.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName:   University of Washington Networks and Distributed
OrgTechPhone:  +1-206-221-6000 
OrgTechEmail:  uw-noc@uw.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgAbuseHandle: UWSO-ARIN
OrgAbuseName:   University of Washington Security Operations
OrgAbusePhone:  +1-206-221-7000 
OrgAbuseEmail:  abuse@uw.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UWSO-ARIN

RTechHandle: UW-NOC-ARIN
RTechName:   University of Washington Networks and Distributed
RTechPhone:  +1-206-221-6000 
RTechEmail:  uw-noc@uw.edu
RTechRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       101
ASName:         WASH-NSF-AS
ASHandle:       AS101
RegDate:        1987-03-31
Updated:        2021-10-01    
Ref:            https://rdap.arin.net/registry/autnum/101


OrgName:        University of Washington
OrgId:          UWND-Z
Address:        4545 15th Ave NE
City:           Seattle
StateProv:      WA
PostalCode:     98105
Country:        US
RegDate:        2020-05-20
Updated:        2024-08-06
Ref:            https://rdap.arin.net/registry/entity/UWND-Z


OrgNOCHandle: UW-NOC-ARIN
OrgNOCName:   University of Washington Networks and Distributed
OrgNOCPhone:  +1-206-221-6000 
OrgNOCEmail:  uw-noc@uw.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName:   University of Washington Networks and Distributed
OrgTechPhone:  +1-206-221-6000 
OrgTechEmail:  uw-noc@uw.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgAbuseHandle: UWSO-ARIN
OrgAbuseName:   University of Washington Security Operations
OrgAbusePhone:  +1-206-221-7000 
OrgAbuseEmail:  security@uw.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UWSO-ARIN

RTechHandle: UW-NOC-ARIN
RTechName:   University of Washington Networks and Distributed
RTechPhone:  +1-206-221-6000 
RTechEmail:  uw-noc@uw.edu
RTechRef:    https://rdap.arin.net/registry/entity/UW-NOC-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS22335	Metropolitan Research and Education Network	US
AS65005
AS668	United States Department of Defense (DoD)	US
AS10430	Washington State K 20 Telecommunications Network	US
AS393577	Tritan Development	US
AS401703	Ordinal Advisors LLC	US
AS6939	Hurricane Electric LLC	US
AS4777	Asia Pacific Network Information Centre	JP
AS10242	US Internet Corp	US
AS17934	National Institute of Information and Communications Technology	JP
AS4777	APNIC COLO Asia Pacific Network Information Centre	AU
AS2907	Research Organization of Information and Systems, National Institute of Informatics	JP
AS2497	Internet Initiative Japan Inc.	JP
AS32361	UltraLight	US
AS852	TELUS Communications Inc.	CA
AS293	ESnet	US
AS53597	Hoyos Consulting LLC	US
AS3428	ESnet	US
AS46733	x6c	US
buy plan	NETWORK INNOVATIONS, LLC	US
buy plan	Level 3 Parent, LLC	US
buy plan	TDS TELECOM	US
buy plan	GSL Networks Pty LTD	AU
buy plan	i3D.net B.V	NL

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Upstreams

AS Number	Description	Country
AS65005
AS9002	RETN Limited	GB
AS11537	Internet2	US
AS6939	Hurricane Electric LLC	US
AS11164	Internet2	US
AS174	Cogent Communications, LLC	US
AS2907	Research Organization of Information and Systems, National Institute of Informatics	JP
AS2497	Internet Initiative Japan Inc.	JP
AS3491	PCCW Global, Inc.	US
buy plan	Tech Futures Interactive Inc.	CA
buy plan	Korbank S. A.	PL
buy plan	Mercury NZ Limited	NZ
buy plan	Level 3 Parent, LLC	US
buy plan	GSL Networks Pty LTD	AU

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Downstreams

AS Number	Description	Country
AS17200	Seattle Community College District	US
AS14221	University of Washington	US
AS65005
AS10430	Washington State K 20 Telecommunications Network	US
AS40272	Allen Institute	US
AS64247	University of Washington	US
AS7774	University of Alaska	US
AS47065	USC / UFMG PEERING Research Testbed	US
AS19014	NORCOM	US
AS4193	State of Washington	US
AS11649	Gonzaga University	US
AS11956	National Oceanic and Atmospheric Administration	US
AS53472	City of Kirkland Washington	US
AS14954	The Fred Hutchinson Cancer Research Center	US
AS3428	ESnet	US
AS22972	University of Washington	US
AS11548	Heritage University	US
AS3807	University of Montana	US
AS13476	Montana State University	US
AS73	University of Washington	US