AS402260
University of Colorado Medicine
AS402260 is University of Colorado Medicine (cumedicine.us). It announces 256 IPv4 addresses in 1 prefix, and 0 IPv6 prefixes.
United States· ARIN· allocated 2026-03-06· education
256
IPv4 addresses announced
1
IPv4 prefix
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
256
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- DR-ASN01
- name
- University of Colorado Medicine
- org
- UP-276
- org name
- University of Colorado Medicine
- org address
- PO Box 110247, Aurora, CO, 80045
- org city
- Aurora
- org country
- US
- country
- US
- source
- arin
- created
- 2026-03-06
- updated
- 2026-03-06
- abuse name
- IT
- abuse email
- its.technicalsupport@cumedicine.us
- abuse phone
- +1-303-493-7000
- abuse kind
- role
- abuse city
- Aurora
- abuse country
- US
- admin name
- IT
- admin email
- its.technicalsupport@cumedicine.us
- admin phone
- +1-303-493-7000
- admin kind
- role
- admin city
- Aurora
- admin country
- US
- tech name
- IT
- tech email
- its.technicalsupport@cumedicine.us
- tech phone
- +1-303-493-7000
- tech kind
- role
- tech city
- Aurora
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- None here
- None here
- None here
- None here
- None here
- Hosting IP256100.00%
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 63.233.196.0/24 | United States | not found | 16 | 2026-10-02 |
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