AS18693 - UCH-CENTRAL - University of Colorado Hospital, US

United States
AS Number
AS18693
AS Name
UCH-CENTRAL
Org Name
University of Colorado Hospital
Country / Region
United States
Registry

arin

RegDate

1993-09-09

Updated

2026-07-23

AS18693 Looking Glass
IPv4Prefixes

4

IPv6Prefixes

0

IPv4 NUMs

1,280

IPv6 NUMs(/64)

0

CIDR Description IP Num
24.155.10.0/24
IRR InValid
Grande Communications 256
168.200.2.0/23
University of Colorado Hospital 512
168.200.5.0/24
University of Colorado Hospital 256
168.200.6.0/24
University of Colorado Hospital 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7459 GRANDECOM-AS1 - Grande Communications Networks, LLC, US United States 1,199,872 4,294,967,296 IPv4 IPv4
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 19,845,888 1,116,691,759,104 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,256 81,626,398,720 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,040 51,808,436,224 IPv4 IPv4 
ASNumber:       18693
ASName:         UCH-CENTRAL
ASHandle:       AS18693
RegDate:        2013-06-04
Updated:        2013-06-04
Ref:            https://rdap.arin.net/registry/autnum/18693


OrgName:        University of Colorado Hospital
OrgId:          UCHA
Address:        13001 East 17th Place
Address:        UH Fitzsimons bldg 500 5th floor east
Address:        Information Services
City:           Aurora
StateProv:      CO
PostalCode:     80045-0505
Country:        US
RegDate:        1993-09-09
Updated:        2026-07-23
Ref:            https://rdap.arin.net/registry/entity/UCHA


OrgTechHandle: DNSIP-ARIN
OrgTechName:   dns-ip-admin
OrgTechPhone:  +1-303-752-7800 
OrgTechEmail:  dnsadmins@uchealth.org
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgAbuseHandle: DNSIP-ARIN
OrgAbuseName:   dns-ip-admin
OrgAbusePhone:  +1-303-752-7800 
OrgAbuseEmail:  dnsadmins@uchealth.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgDNSHandle: DNSIP-ARIN
OrgDNSName:   dns-ip-admin
OrgDNSPhone:  +1-303-752-7800 
OrgDNSEmail:  dnsadmins@uchealth.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgRoutingHandle: DNSIP-ARIN
OrgRoutingName:   dns-ip-admin
OrgRoutingPhone:  +1-303-752-7800 
OrgRoutingEmail:  dnsadmins@uchealth.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgNOCHandle: DNSIP-ARIN
OrgNOCName:   dns-ip-admin
OrgNOCPhone:  +1-303-752-7800 
OrgNOCEmail:  dnsadmins@uchealth.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/DNSIP-ARIN