University Corporation for Atmospheric Research
AS194 is University Corporation for Atmospheric Research (ucar.edu). It announces 66,304 IPv4 addresses in 5 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1988-05-26· education
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 States66,304 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UCAR
- name
- University Corporation for Atmospheric Research
- org
- UCAR-1
- org name
- University Corporation for Atmospheric Research
- org address
- 3090 Center Green Drive, Boulder, CO, 80301
- org city
- Boulder
- org country
- US
- country
- US
- source
- arin
- created
- 1988-05-26
- updated
- 2026-05-11
- abuse name
- Abuse
- abuse email
- abuse@ucar.edu
- abuse phone
- +1-307-996-4300
- abuse kind
- role
- abuse city
- Boulder
- abuse country
- US
- admin name
- Marla Meehl
- admin email
- marla@ucar.edu
- admin phone
- +1-303-497-1301
- admin kind
- person
- admin city
- Boulder
- admin country
- US
- tech
- ADLER49-ARIN|HERNA1265-ARIN
- tech name
- Matt Adler
- tech email
- adler@ucar.edu
- tech phone
- +1-303-497-1279
- tech kind
- person
- tech city
- Boulder
- 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.
- 0.00%
- dataimpulse0.00%
- None here
- None here
- 0.00%
- None here
- Hosting IP1,2801.93%
- None here
- None here
- None here
- SSH IP2700.41%
- None here
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 128.117.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 128.117.208.0/22 | United States | valid | 19 | 2026-10-02 |
| 129.19.156.0/24 | United States | valid | 3 | 2026-10-02 |
| 192.43.244.0/24 | United States | valid | 19 | 2026-10-02 |
| 192.52.106.0/24 | United States | valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:117:2000::/40 | United States | valid | 20 | 2026-10-02 |
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