Basic Information
| IP Address |
128.138.135.43 |
| Hostname |
k2.colorado.edu |
| ASN |
AS104 University of Colorado at Boulder () |
| ISP |
Unknown |
| Type |
Public |
| Country |
United States |
| Region |
CO |
| City |
Broomfield |
Technical Information
| AS Number |
AS104 University of Colorado at Boulder |
WHOIS Data
#
# 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.
#
#
# Query terms are ambiguous. The query is assumed to be:
# "n 128.138.135.43"
#
# Use "?" to get help.
#
NetRange: 128.138.0.0 - 128.138.255.255
CIDR: 128.138.0.0/16
NetName: COLORADO
NetHandle: NET-128-138-0-0-1
Parent: NET128 (NET-128-0-0-0-0)
NetType: Direct Allocation
OriginAS:
Organization: University of Colorado (UNIVER-24)
RegDate: 1986-07-14
Updated: 2021-12-14
Ref: https://rdap.arin.net/registry/ip/128.138.0.0
OrgName: University of Colorado
OrgId: UNIVER-24
Address: Office of Information Technology
Address: 3645 Marine Street
City: Boulder
StateProv: CO
PostalCode: 80309-0455
Country: US
RegDate: 1986-03-11
Updated: 2019-06-25
Ref: https://rdap.arin.net/registry/entity/UNIVER-24
OrgTechHandle: CUBOU-ARIN
OrgTechName: CUBoulder
OrgTechPhone: +1-303-735-4357
OrgTechEmail: arinadmin@colorado.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN
OrgAbuseHandle: ABUSE306-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-303-735-4357
OrgAbuseEmail: abuse@colorado.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN
RAbuseHandle: ABUSE306-ARIN
RAbuseName: Abuse
RAbusePhone: +1-303-735-4357
RAbuseEmail: abuse@colorado.edu
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN
RTechHandle: CUBOU-ARIN
RTechName: CUBoulder
RTechPhone: +1-303-735-4357
RTechEmail: arinadmin@colorado.edu
RTechRef: https://rdap.arin.net/registry/entity/CUBOU-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.
#
