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IP address details
AS101
University of Washington·pnwgp.net
IP address details
AS101
University of Washington·pnwgp.net
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS101
  • Org Name
    University of Washington
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    31st March 1987
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    5
  • Ipv4 Peers
    29
  • Ipv6 Peers
    19
  • Ipv4 Upstreams
    6
  • Ipv6 Upstreams
    4

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States207.231.240.0/20
Pacific Wave
--ARIN
United States209.124.176.0/20
Pacific Northwest Gigapop
--ARIN
United States209.124.176.0/21
Pacific Northwest Gigapop
209.124.176.0/20ARIN
United States209.124.184.0/21
Pacific Northwest Gigapop
209.124.176.0/20ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 29 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS10430
Washington State K-20 Telecommunications Network
true
AS11164
Internet2
false
AS11537
Internet2
true
AS11548
Heritage University
false
AS11649
Gonzaga University
false
AS11956
National Oceanic and Atmospheric Administration
true
AS13476
Montana State University
true
AS14221
University of Washington
true
AS14954
The Fred Hutchinson Cancer Research Center
false
AS17200
Seattle Community College District
false
AS174
true
AS18106
true
AS19014
NORCOM
true
AS2152
false
AS2153
CENIC
false
AS22972
University of Washington
false
AS2497
true
AS293
ESnet
false
AS3356
true
AS3491
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 6 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS174
true
AS2497
true
AS3356
true
AS3491
false
AS6939
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 16 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS10430
Washington State K-20 Telecommunications Network
true
AS11548
Heritage University
false
AS11649
Gonzaga University
false
AS13476
Montana State University
true
AS14221
University of Washington
true
AS14954
The Fred Hutchinson Cancer Research Center
false
AS17200
Seattle Community College District
false
AS19014
NORCOM
true
AS22972
University of Washington
false
AS3807
University of Montana
true
AS40272
Allen Institute
false
AS4193
State of Washington
true
AS47065
false
AS64247
University of Washington
true
AS73
University of Washington
true
AS7774
University of Alaska
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS101 Combined Upstream Graph AS101 AS101 AS174 AS174 AS101->AS174 AS2497 AS2497 AS101->AS2497 AS2914 AS2914 AS101->AS2914 AS3356 AS3356 AS101->AS3356 AS139008 AS139008 AS101->AS139008 AS174->AS2914 AS1299 AS1299 AS174->AS1299 AS7018 AS7018 AS174->AS7018 AS3257 AS3257 AS174->AS3257 AS701 AS701 AS174->AS701 AS3356->AS1299 AS3356->AS3257 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS58717 AS58717 AS139008->AS58717 AS9498 AS9498 AS58717->AS9498 AS6762 AS6762 AS9498->AS6762
AS101 Combined Upstream Graph AS101 AS101 AS174 AS174 AS101->AS174 AS2497 AS2497 AS101->AS2497 AS2914 AS2914 AS101->AS2914 AS3356 AS3356 AS101->AS3356 AS139008 AS139008 AS101->AS139008 AS174->AS2914 AS1299 AS1299 AS174->AS1299 AS7018 AS7018 AS174->AS7018 AS3257 AS3257 AS174->AS3257 AS701 AS701 AS174->AS701 AS3356->AS1299 AS3356->AS3257 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS58717 AS58717 AS139008->AS58717 AS9498 AS9498 AS58717->AS9498 AS6762 AS6762 AS9498->AS6762

World Map

WHOIS Details


#
# 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


OrgAbuseHandle: UWSO-ARIN
OrgAbuseName: University of Washington Security Operations
OrgAbusePhone: +1-206-221-7000
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName: University of Washington Networks and Distributed
OrgTechPhone: +1-206-221-6000
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgNOCHandle: UW-NOC-ARIN
OrgNOCName: University of Washington Networks and Distributed
OrgNOCPhone: +1-206-221-6000
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

RTechHandle: UW-NOC-ARIN
RTechName: University of Washington Networks and Distributed
RTechPhone: +1-206-221-6000
RTechEmail: [email protected]
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


OrgAbuseHandle: UWSO-ARIN
OrgAbuseName: University of Washington Security Operations
OrgAbusePhone: +1-206-221-7000
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName: University of Washington Networks and Distributed
OrgTechPhone: +1-206-221-6000
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgNOCHandle: UW-NOC-ARIN
OrgNOCName: University of Washington Networks and Distributed
OrgNOCPhone: +1-206-221-6000
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

RTechHandle: UW-NOC-ARIN
RTechName: University of Washington Networks and Distributed
RTechPhone: +1-206-221-6000
RTechEmail: [email protected]
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.
#

IX

IP.CC
Search
IP address details
AS101
University of Washington·pnwgp.net
IP address details
AS101
University of Washington·pnwgp.net

Summary

  • As Number
    AS101
  • Org Name
    University of Washington
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    31st March 1987
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    5
  • Ipv4 Peers
    29
  • Ipv6 Peers
    19
  • Ipv4 Upstreams
    6
  • Ipv6 Upstreams
    4

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States207.231.240.0/20
Pacific Wave
--ARIN
United States209.124.176.0/20
Pacific Northwest Gigapop
--ARIN
United States209.124.176.0/21
Pacific Northwest Gigapop
209.124.176.0/20ARIN
United States209.124.184.0/21
Pacific Northwest Gigapop
209.124.176.0/20ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology

Peers

There are 29 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS10430
Washington State K-20 Telecommunications Network
true
AS11164
Internet2
false
AS11537
Internet2
true
AS11548
Heritage University
false
AS11649
Gonzaga University
false
AS11956
National Oceanic and Atmospheric Administration
true
AS13476
Montana State University
true
AS14221
University of Washington
true
AS14954
The Fred Hutchinson Cancer Research Center
false
AS17200
Seattle Community College District
false
AS174
true
AS18106
true
AS19014
NORCOM
true
AS2152
false
AS2153
CENIC
false
AS22972
University of Washington
false
AS2497
true
AS293
ESnet
false
AS3356
true
AS3491
false
  • 1
  • 2
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Upstream

There are 6 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS11164
Internet2
false
AS174
true
AS2497
true
AS3356
true
AS3491
false
AS6939
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Downstream

There are 16 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
AS10430
Washington State K-20 Telecommunications Network
true
AS11548
Heritage University
false
AS11649
Gonzaga University
false
AS13476
Montana State University
true
AS14221
University of Washington
true
AS14954
The Fred Hutchinson Cancer Research Center
false
AS17200
Seattle Community College District
false
AS19014
NORCOM
true
AS22972
University of Washington
false
AS3807
University of Montana
true
AS40272
Allen Institute
false
AS4193
State of Washington
true
AS47065
false
AS64247
University of Washington
true
AS73
University of Washington
true
AS7774
University of Alaska
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity

Graphs

AS101 Combined Upstream Graph AS101 AS101 AS174 AS174 AS101->AS174 AS2497 AS2497 AS101->AS2497 AS2914 AS2914 AS101->AS2914 AS3356 AS3356 AS101->AS3356 AS139008 AS139008 AS101->AS139008 AS174->AS2914 AS1299 AS1299 AS174->AS1299 AS7018 AS7018 AS174->AS7018 AS3257 AS3257 AS174->AS3257 AS701 AS701 AS174->AS701 AS3356->AS1299 AS3356->AS3257 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS58717 AS58717 AS139008->AS58717 AS9498 AS9498 AS58717->AS9498 AS6762 AS6762 AS9498->AS6762
AS101 Combined Upstream Graph AS101 AS101 AS174 AS174 AS101->AS174 AS2497 AS2497 AS101->AS2497 AS2914 AS2914 AS101->AS2914 AS3356 AS3356 AS101->AS3356 AS139008 AS139008 AS101->AS139008 AS174->AS2914 AS1299 AS1299 AS174->AS1299 AS7018 AS7018 AS174->AS7018 AS3257 AS3257 AS174->AS3257 AS701 AS701 AS174->AS701 AS3356->AS1299 AS3356->AS3257 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549 AS58717 AS58717 AS139008->AS58717 AS9498 AS9498 AS58717->AS9498 AS6762 AS6762 AS9498->AS6762

World Map

WHOIS Details


#
# 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


OrgAbuseHandle: UWSO-ARIN
OrgAbuseName: University of Washington Security Operations
OrgAbusePhone: +1-206-221-7000
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName: University of Washington Networks and Distributed
OrgTechPhone: +1-206-221-6000
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgNOCHandle: UW-NOC-ARIN
OrgNOCName: University of Washington Networks and Distributed
OrgNOCPhone: +1-206-221-6000
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

RTechHandle: UW-NOC-ARIN
RTechName: University of Washington Networks and Distributed
RTechPhone: +1-206-221-6000
RTechEmail: [email protected]
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


OrgAbuseHandle: UWSO-ARIN
OrgAbuseName: University of Washington Security Operations
OrgAbusePhone: +1-206-221-7000
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN

OrgTechHandle: UW-NOC-ARIN
OrgTechName: University of Washington Networks and Distributed
OrgTechPhone: +1-206-221-6000
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

OrgNOCHandle: UW-NOC-ARIN
OrgNOCName: University of Washington Networks and Distributed
OrgNOCPhone: +1-206-221-6000
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN

RTechHandle: UW-NOC-ARIN
RTechName: University of Washington Networks and Distributed
RTechPhone: +1-206-221-6000
RTechEmail: [email protected]
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.
#

IX

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    U.S. National Science Foundation
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  • AS96
    Headquarters, USAISC
  • AS97
    NTT America, Inc.
  • AS98
    The Rockefeller University
  • AS99
    Intel Corporation
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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