Columbia University
AS14 is Columbia University (columbia.edu). It announces 208,896 IPv4 addresses in 11 prefixes, and 1 IPv6 prefixes.
United States· ARIN· 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 States208,896 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- COLUMBIA-GW
- name
- Columbia University
- org
- COLUMB
- org name
- Columbia University
- org address
- 612 W 115TH ST, NEW YORK, NY, 10025
- org city
- NEW YORK
- org country
- US
- country
- US
- source
- arin
- updated
- 2010-06-28
- abuse name
- COLUMBIA UNIVERSITY ABUSE CONTACT
- abuse email
- abuse@columbia.edu
- abuse phone
- +1-212-854-1919
- abuse kind
- role
- abuse city
- NEW YORK
- abuse country
- US
- admin name
- Columbia University Computer Operations
- admin email
- noc@columbia.edu
- admin phone
- +1-212-854-1919
- admin kind
- role
- admin city
- NEW YORK
- admin country
- US
- tech name
- Columbia University Computer Operations
- tech email
- noc@columbia.edu
- tech phone
- +1-212-854-1919
- tech kind
- role
- tech city
- NEW YORK
- 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 IP4380.21%
- geonode, cliproxy, dataimpulse0.12%
- None here
- None here
- None here
- None here
- Hosting IP22,27210.66%
- None here
- None here
- None here
- SSH IP1,9370.93%
- SMTP IP170.01%
- 0.02%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 128.59.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 129.236.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 160.39.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 192.5.43.0/24 | United States | not found | 19 | 2026-10-02 |
| 192.12.82.0/24 | United States | not found | 19 | 2026-10-02 |
| 207.10.136.0/21 | United States | not found | 19 | 2026-10-02 |
| 209.2.47.0/24 | United States | not found | 19 | 2026-10-02 |
| 209.2.48.0/22 | United States | not found | 19 | 2026-10-02 |
| 209.2.185.0/24 | United States | not found | 19 | 2026-10-02 |
| 209.2.208.0/20 | United States | not found | 19 | 2026-10-02 |
| 209.2.224.0/20 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:18d8::/32 | United States | not found | 18 | 2026-10-02 |
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