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
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 19,845,376 1,116,691,759,104 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4
AS7459 GRANDECOM-AS1 - Grande Communications Networks, LLC, US United States 1,195,008 4,294,967,296 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

OrgID:          UCHA
OrgName:        University of Colorado Hospital
CanAllocate:    
Street:         13001 East 17th Place
Street:         UH Fitzsimons bldg 500 5th floor east
Street:         Information Services
City:           Aurora
State/Prov:     CO
Country:        US
PostalCode:     80045-0505
RegDate:        1993-09-09
Updated:        2026-07-23
OrgAdminHandle  DNSIP-ARIN
OrgTechHandle   DNSIP-ARIN
OrgAbuseHandle  DNSIP-ARIN
OrgNOCHandle    DNSIP-ARIN
OrgRoutingHandle DNSIP-ARIN
OrgDNSHandle    DNSIP-ARIN
Source:         ARIN

OrgRoutingHandleHandle:  DNSIP-ARIN
OrgRoutingHandleName:    dns-ip-admin, 
OrgRoutingHandlePhone:   +1-303-752-7800
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgDNSHandleHandle:  DNSIP-ARIN
OrgDNSHandleName:    dns-ip-admin, 
OrgDNSHandlePhone:   +1-303-752-7800
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgAdminHandleHandle:  DNSIP-ARIN
OrgAdminHandleName:    dns-ip-admin, 
OrgAdminHandlePhone:   +1-303-752-7800
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgTechHandleHandle:  DNSIP-ARIN
OrgTechHandleName:    dns-ip-admin, 
OrgTechHandlePhone:   +1-303-752-7800
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgAbuseHandleHandle:  DNSIP-ARIN
OrgAbuseHandleName:    dns-ip-admin, 
OrgAbuseHandlePhone:   +1-303-752-7800
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN

OrgNOCHandleHandle:  DNSIP-ARIN
OrgNOCHandleName:    dns-ip-admin, 
OrgNOCHandlePhone:   +1-303-752-7800
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/DNSIP-ARIN