#
# 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.
#
# start
NetRange: 129.19.0.0 - 129.19.255.255
CIDR: 129.19.0.0/16
NetName: WESTNET
NetHandle: NET-129-19-0-0-1
Parent: NET129 (NET-129-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: Colorado State University (CSU-2-Z)
RegDate: 1987-07-08
Updated: 2023-07-29
Ref: https://rdap.arin.net/registry/ip/129.19.0.0
OrgName: Colorado State University
OrgId: CSU-2-Z
Address: Academic Computing and Networking Services
Address: Colorado State University
Address: 1018 Campus Delivery
City: Fort Collins
StateProv: CO
PostalCode: 80523
Country: US
RegDate: 2023-01-16
Updated: 2025-09-29
Ref: https://rdap.arin.net/registry/entity/CSU-2-Z
OrgDNSHandle: HERNA1265-ARIN
OrgDNSName: Hernandez, John
OrgDNSPhone: +1-303-497-1280
OrgDNSEmail:
[email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN
OrgAbuseHandle: DNSAD191-ARIN
OrgAbuseName: DNS Administrator
OrgAbusePhone: +1-970-491-5600
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN
OrgRoutingHandle: HERNA1265-ARIN
OrgRoutingName: Hernandez, John
OrgRoutingPhone: +1-303-497-1280
OrgRoutingEmail:
[email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/HERNA1265-ARIN
OrgTechHandle: MPW-ARIN
OrgTechName: Willard, Michael Patrick
OrgTechPhone: +1-970-491-4651
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/MPW-ARIN
OrgDNSHandle: ADLER49-ARIN
OrgDNSName: Adler, Matt
OrgDNSPhone: +1-303-497-1279
OrgDNSEmail:
[email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN
OrgDNSHandle: DNSAD191-ARIN
OrgDNSName: DNS Administrator
OrgDNSPhone: +1-970-491-5600
OrgDNSEmail:
[email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN
OrgTechHandle: DNSAD191-ARIN
OrgTechName: DNS Administrator
OrgTechPhone: +1-970-491-5600
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/DNSAD191-ARIN
OrgDNSHandle: MPW-ARIN
OrgDNSName: Willard, Michael Patrick
OrgDNSPhone: +1-970-491-4651
OrgDNSEmail:
[email protected]
OrgDNSRef: https://rdap.arin.net/registry/entity/MPW-ARIN
OrgRoutingHandle: ADLER49-ARIN
OrgRoutingName: Adler, Matt
OrgRoutingPhone: +1-303-497-1279
OrgRoutingEmail:
[email protected]
OrgRoutingRef: https://rdap.arin.net/registry/entity/ADLER49-ARIN
# end
# start
NetRange: 129.19.192.0 - 129.19.255.255
CIDR: 129.19.192.0/18
NetName: UCB-WESTNET
NetHandle: NET-129-19-192-0-1
Parent: WESTNET (NET-129-19-0-0-1)
NetType: Reallocated
OriginAS:
Organization: University of Colorado Boulder (UCB-2)
RegDate: 2019-01-15
Updated: 2019-01-15
Ref: https://rdap.arin.net/registry/ip/129.19.192.0
OrgName: University of Colorado Boulder
OrgId: UCB-2
Address: Office of Information Technology
Address: 3645 Marine Street
City: Boulder
StateProv: CO
PostalCode: 80309-0455
Country: US
RegDate: 1992-11-23
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/UCB-2
OrgAbuseHandle: ABUSE306-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-303-735-4357
OrgAbuseEmail:
[email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN
OrgTechHandle: CUBOU-ARIN
OrgTechName: CUBoulder
OrgTechPhone: +1-303-735-4357
OrgTechEmail:
[email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN
# end
#
# 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.
#
Map neighboring IP addresses and identify potential subnet associations.