AS18693 University of Colorado Hospital 🇺🇸 US

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS18693
Name: University of Colorado Hospital
Organisation: University of Colorado Hospital
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2013-06-04

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Whois

Fetched from whois.arin.net

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

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

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

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

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

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