Organization
University of Louisville
LOUISVILLE
Registered
Mar 04, 1992
34 years ago
IPv4 Prefixes
2
65,536 addresses
IPv6 Prefixes
1
1 × /48
BGP Neighbours
2
2 upstream/peer · 0 downstream
Registration
AS Number AS1657 AS Name LOUISVILLE Organization University of Louisville Organization ID UNIVER-261-Z Address Information Technology: Communications Services, University of Louisville, Louisville, KY, 40292, United States Country United States (US) Registry ARIN Allocated Mar 04, 1992 Record Created Mar 04, 1992 Last Updated Oct 28, 2021 Status
active
WHOIS Server whois.arin.net AS Description LOUISVILLE - University of Louisville, US Abuse Email [email protected] Abuse Phone +1-502-852-1776 IPv4 Prefixes
2 prefixes · 65,536 addresses · 1 top-level Routing data as of 2026-10-06 00:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 136.165.0.0/16 | 136.165.0.0 – 136.165.255.255 | 65,536 |
| 136.165.244.0/24 | 136.165.244.0 – 136.165.244.255 | 256 |
IPv6 Prefixes
1 prefix · 1 × /48 Routing data as of 2026-10-06 00:00 UTC
| Prefix | Addresses |
|---|---|
| 2610:1e0:1800:: | 280 |
BGP Neighbours
2 unique neighbours · 2 upstream/peer · 0 downstream. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries. Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers. Upstream & peer side (2)
Raw RDAP Response
{
"endAutnum": 1657,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-09T07:05:06-05:00"
},
{
"eventAction": "registration",
"eventDate": "2004-04-15T14:58:21-04:00"
}
],
"handle": "UNA3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNA3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1657"
},
{
"href": "https://whois.arin.net/rest/poc/UNA3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology: Communications Services\nUniversity of Louisville\nLouisville\nKY\n40292\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"UofL Net Admin"
],
[
"org",
{},
"text",
"University of Louisville"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-502-852-1776"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-09T07:04:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-03-05T17:05:21-05:00"
}
],
"handle": "UOFLH-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UOFLH-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1657"
},
{
"href": "https://whois.arin.net/rest/poc/UOFLH-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"noc",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "Information Technology: Communications Services\nUniversity of Louisville\nLouisville\nKY\n40292\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"UofL Hostmaster"
],
[
"org",
{},
"text",
"University of Louisville"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-502-852-1776"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-03-09T18:04:50-05:00"
},
{
"eventAction": "registration",
"eventDate": "2021-03-09T18:04:50-05:00"
}
],
"handle": "UNIVER-261-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-261-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1657"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-261-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Louisville"
],
[
"adr",
{
"label": "Information Technology: Communications Services\r\nUniversity of Louisville\nLouisville\nKY\n40292\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-10-28T17:11:58-04:00"
},
{
"eventAction": "registration",
"eventDate": "1992-03-04T00:00:00-05:00"
}
],
"handle": "AS1657",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/1657",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/1657"
},
{
"href": "https://whois.arin.net/rest/asn/AS1657",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"name": "LOUISVILLE",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/1657"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 1657,
"status": [
"active"
]
} Contact details of private individuals are redacted.