AS402260 University of Colorado Medicine 🇺🇸 US

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

256 (1 × /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: AS402260
Name: University of Colorado Medicine
Organisation: University of Colorado Medicine
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2026-03-06

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 1 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       402260
ASName:         DR-ASN01
ASHandle:       AS402260
RegDate:        2026-03-06
Updated:        2026-03-06
Ref:            https://rdap.arin.net/registry/autnum/402260

OrgName:        University of Colorado Medicine
OrgId:          UP-276
Address:        PO Box 110247
City:           Aurora
StateProv:      CO
PostalCode:     80045
Country:        US
RegDate:        2025-12-02
Updated:        2026-02-17
Ref:            https://rdap.arin.net/registry/entity/UP-276

OrgAbuseHandle: IT397-ARIN
OrgAbuseName:   IT
OrgAbusePhone:  +1-303-493-7000
OrgAbuseEmail:  its.technicalsupport@cumedicine.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IT397-ARIN

OrgTechHandle: IT397-ARIN
OrgTechName:   IT
OrgTechPhone:  +1-303-493-7000
OrgTechEmail:  its.technicalsupport@cumedicine.us
OrgTechRef:    https://rdap.arin.net/registry/entity/IT397-ARIN