
101 WASH-NSF-AS - University of Washington, US
Adjacency: 17 Upstream: 3 Downstream: 14
Upstream Adjacent AS list
AS7575 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
AS4777 APNIC-COLO Asia Pacific Network Information Centre, JP
AS2497 IIJ Internet Initiative Japan Inc., JP
Downstream Adjacent AS list
AS11548 HERITAGE-UNIV-AS - Heritage University, US
AS14221 UW-GR-AS - University of Washington, US
AS13476 MSU-BOZEMAN - Montana State University, US
AS11649 GUNET - Gonzaga University, US
AS19014 NORCOM - NORCOM, US
AS17200 SEATTLECOLL - Seattle Community College District, US
AS40272 ALLENINSTITUTE - Allen Institute, US
AS3807 UMTNET-ASN - University of Montana, US
AS4193 WA-STATE-GOV - State of Washington, US
AS54429 LOCAL-CONNECTIVITY-LAB - Local Connectivity Lab, US
AS14954 FHCRC - The Fred Hutchinson Cancer Research Center, US
AS73 WASHINGTON-AS - University of Washington, US
AS11956 NOAA-XWAVE - National Oceanic and Atmospheric Administration, US
AS10430 WA-K20 - Washington State K-20 Telecommunications Network, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9065 AS101 ORG+TRN Originate: 12288 /18.42 Transit: 2220800 /10.92 WASH-NSF-AS - University of Washington, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 15123 AS101 WASH-NSF-AS - University of Washington, US 4 2 0 2 2 50.00% Prefix AS Path Aggregation Suggestion 207.231.240.0/20 4777 2497 101 209.124.176.0/20 4777 101 209.124.176.0/21 4777 101 - Withdrawn - matching aggregate 209.124.176.0/20 4777 101 209.124.184.0/21 4777 101 - Withdrawn - matching aggregate 209.124.176.0/20 4777 101
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS101 2 More Specifics 4 Total Advertisements WASH-NSF-AS - University of Washington, US
209.124.176.0/21 209.124.176.0/20
209.124.184.0/21 209.124.176.0/20
whois: 402332
IANA has recorded AS101 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS101\n
#
# 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 1997-2026, 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
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
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
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 1997-2026, American Registry for Internet Numbers, Ltd.
#