University of Louisville
AS1657 is University of Louisville (louisville.edu). It announces 65,536 IPv4 addresses in 14 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1992-03-04· 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 States65,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- LOUISVILLE
- name
- University of Louisville
- org
- UNIVER-261-Z
- org name
- University of Louisville
- org address
- Information Technology: Communications Services, University of Louisville, Louisville, KY, 40292
- org city
- Louisville
- org country
- US
- country
- US
- source
- arin
- created
- 1992-03-04
- updated
- 2021-10-28
- abuse name
- UofL Hostmaster
- abuse email
- hostmaster@hermes.louisville.edu
- abuse phone
- +1-502-852-1776
- abuse kind
- role
- abuse city
- Louisville
- abuse country
- US
- admin name
- UofL Net Admin
- admin email
- admin@hermes.louisville.edu
- admin phone
- +1-502-852-1776
- admin kind
- role
- admin city
- Louisville
- admin country
- US
- tech name
- UofL Hostmaster
- tech email
- hostmaster@hermes.louisville.edu
- tech phone
- +1-502-852-1776
- tech kind
- role
- tech city
- Louisville
- 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.
- None here
- geonode, anyip, geonix0.05%
- None here
- None here
- None here
- None here
- Hosting IP2560.39%
- None here
- None here
- None here
- None here
- None here
- 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 |
|---|---|---|---|---|
| 136.165.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 136.165.0.0/18 | United States | not found | 4 | 2026-10-02 |
| 136.165.0.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.32.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.64.0/18 | United States | not found | 4 | 2026-10-02 |
| 136.165.64.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.96.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.128.0/18 | United States | not found | 4 | 2026-10-02 |
| 136.165.128.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.160.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.192.0/18 | United States | not found | 4 | 2026-10-02 |
| 136.165.192.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.224.0/19 | United States | not found | 4 | 2026-10-02 |
| 136.165.244.0/24 | United States | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2610:1e0:1800::/48 | United States | not found | 18 | 2026-10-02 |
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