AS1657

Name: AS1657 — University of Louisville
Creator: ipdex

University of Louisville Education registered in United States

14IPv4 prefixes

1IPv6 prefixes

7%RPKI-valid

#13,228AS Rank

327/327RIS visibility

#2,302Rank in United States

1992-03-04Allocated

University of Louisville (AS1657) — Education, registered in United States. announces 14 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #2302. Allocated: 1992-03-04.

IPv4 14IPv6 1

Announced prefixes · 15

v4 136.165.0.0/16 unknown
v4 136.165.0.0/18 unknown
v4 136.165.0.0/19 unknown
v4 136.165.128.0/18 unknown
v4 136.165.128.0/19 unknown
v4 136.165.160.0/19 unknown
v4 136.165.192.0/18 unknown
v4 136.165.192.0/19 unknown
v4 136.165.224.0/19 unknown
v4 136.165.244.0/24 valid
v4 136.165.32.0/19 unknown
v4 136.165.64.0/18 unknown
v4 136.165.64.0/19 unknown
v4 136.165.96.0/19 unknown
v6 2610:1e0:1800::/48 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 14 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	15
2026-06-13	15

AS topology · Customer cone 1

Providers · 2

AS49915 Megaport
AS3714 Kentucky Educational Computing Network

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