AS Number
AS73
AS Name
WASHINGTON-AS
Org Name
University of Washington
Registry

arin

RegDate

2020-05-20

Updated

2024-08-06

IPv4Prefixes

13

IPv6Prefixes

1

IPv4 NUMs

240,896

IPv6 NUMs(/64)

4,294,967,296

240,896 IPv4 Addresses
CIDR Description IP Num
69.91.192.0/18 University of Washington 16384
108.179.140.0/22 University of Washington 1024
128.95.0.0/24 University of Washington 256
128.95.0.0/16 University of Washington 65536
128.208.0.0/24 University of Washington 256
128.208.0.0/16 University of Washington 65536
140.142.0.0/24 University of Washington 256
140.142.0.0/16 University of Washington 65536
173.250.160.0/19 University of Washington 8192
192.42.144.0/24 University of Washington 256
198.48.64.0/19 University of Washington 8192
204.69.8.0/21 University of Washington 2048
205.175.96.0/19 University of Washington 8192
CIDR Description IP NUMs(prefix /64)
2607:4000::/32 University of Washington 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1 LVLT-1 - Level 3 Parent, LLC, US United States 9,328 4,295,032,832 IPv6 IPv6
AS101 WASH-NSF-AS - University of Washington, US United States 8,192 4,295,032,832 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
69.91.194.16 1 libraryrt.uwb.edu
69.91.196.29 1 uw1-121-98sqd42.uwb.edu
69.91.197.27 1 www.lng-mpls.com
69.91.206.14 1 apachecluster.uwb.edu
69.91.209.86 1 mx1-ph2.uwb.edu
69.91.209.98 1 uwb.edu
69.91.209.99 2 dc1-ph2.uwb.edu
69.91.209.106 1 fusion01v.uwb.edu
69.91.209.109 1 myarc.uwb.edu
69.91.209.110 1 fusion3-ph2.uwb.edu
ASNumber:       73
ASName:         WASHINGTON-AS
ASHandle:       AS73
RegDate:        1986-05-05
Updated:        2021-10-01
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.    
Ref:            https://rdap.arin.net/registry/autnum/73


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:  security@uw.edu
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:  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

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