AS12145
Colorado State University
AS12145 is Colorado State University (colostate.edu). It announces 81,664 IPv4 addresses in 3 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 1999-04-06· education
81,664
IPv4 addresses announced
3
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
81,664
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 States81,664 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- COLORADOSTATEUNIV
- name
- Colorado State University
- org
- CSU-2
- org name
- Colorado State University
- org address
- Academic Computing and Networking Services, Colorado State University, 1018 Campus Delivery, Fort Collins, CO, 80523
- org city
- Fort Collins
- org country
- US
- country
- US
- source
- arin
- created
- 1999-04-06
- updated
- 2022-07-14
- abuse name
- DNS Administrator
- abuse email
- dns.admin@colostate.edu
- abuse phone
- +1-970-491-5600
- abuse kind
- role
- abuse city
- Fort Collins
- abuse country
- US
- admin name
- Steve Juarez
- admin email
- steve.juarez@colostate.edu
- admin phone
- +1-970-491-4150
- admin kind
- person
- admin city
- Fort Collins
- admin country
- US
- tech
- ASMUS11-ARIN|MPW-ARIN
- tech name
- Angie Asmus
- tech email
- angie.asmus@colostate.edu
- tech phone
- +1-970-491-7582
- tech kind
- person
- tech city
- Fort Collins
- tech country
- US
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.
- VPN IP100.01%
- geonode, anyip, arnproxy0.06%
- None here
- None here
- None here
- None here
- Hosting IP45,56855.80%
- None here
- None here
- None here
- SSH IP8,20910.05%
- SMTP IP110.01%
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 129.19.0.0/18 | United States | valid | 3 | 2026-10-02 |
| 129.19.3.0/24 | United States | valid | 3 | 2026-10-02 |
| 129.82.0.0/16 | United States | valid | 19 | 2026-10-02 |
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