Ohio State University
AS159 is Ohio State University (osu.edu). It announces 198,400 IPv4 addresses in 7 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1988-02-19· 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 States198,400 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- OSUNET-AS
- name
- Ohio State University
- org
- OSU-2-Z
- org name
- Ohio State University
- org address
- OCIO Enterprise Networking 320 West 8th Avenue, Columbus, OH, 43201
- org city
- Columbus
- org country
- US
- country
- US
- source
- arin
- created
- 1988-02-19
- updated
- 2023-02-02
- abuse name
- Network Abuse Contact
- abuse email
- abuse@osu.edu
- abuse phone
- +1-614-688-4357
- abuse kind
- role
- abuse city
- Columbus
- abuse country
- US
- admin name
- Zonemaster - External POC
- admin email
- hostmaster@osu.edu
- admin phone
- +1-614-688-4357
- admin kind
- role
- admin city
- Columbus
- admin country
- US
- tech
- ZT31-ARIN
- tech name
- Zonemaster - External POC
- tech email
- hostmaster@osu.edu
- tech phone
- +1-614-688-4357
- tech kind
- role
- tech city
- Columbus
- 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 IP443watchguard0.22%
- geonode, anyip, floppydata0.09%
- None here
- None here
- None here
- None here
- Hosting IP1,0240.52%
- None here
- None here
- None here
- SSH IP580.03%
- 0.00%
- 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 |
|---|---|---|---|---|
| 128.146.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 140.254.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 164.107.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 192.12.205.0/24 | United States | not found | 18 | 2026-10-02 |
| 192.68.143.0/24 | United States | not found | 18 | 2026-10-02 |
| 192.153.26.0/24 | United States | not found | 18 | 2026-10-02 |
| 198.30.200.0/22 | United States | not found | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:0:1a10::/48 | United States | not found | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.