AS4665

Name: AS4665 — Yonsei University
Creator: ipdex

Yonsei University Unknown registered in South Korea

33IPv4 prefixes

0IPv6 prefixes

#13,905AS Rank

327/327RIS visibility

#136Rank in South Korea

2004-12-17Allocated

Yonsei University (AS4665) — Unknown, registered in South Korea. announces 33 IPv4 prefixes + 0 IPv6 prefixes. Rank in South Korea: #136. Allocated: 2004-12-17.

IPv4 33IPv6 0

Announced prefixes · 33

v4 1.233.206.0/23 unknown
v4 1.233.208.0/20 unknown
v4 1.233.224.0/22 unknown
v4 1.233.226.0/24 unknown
v4 1.233.228.0/22 unknown
v4 1.233.232.0/22 unknown
v4 1.233.236.0/23 unknown
v4 1.233.238.0/24 unknown
v4 1.233.239.0/24 unknown
v4 1.233.240.0/24 unknown
v4 1.233.241.0/24 unknown
v4 1.233.242.0/24 unknown
v4 1.233.243.0/24 unknown
v4 1.233.244.0/24 unknown
v4 1.233.245.0/24 unknown
v4 1.233.246.0/24 unknown
v4 1.233.247.0/24 unknown
v4 1.233.248.0/24 unknown
v4 1.233.249.0/24 unknown
v4 1.233.250.0/24 unknown
v4 1.233.251.0/24 unknown
v4 1.233.252.0/24 unknown
v4 1.233.253.0/24 unknown
v4 1.233.254.0/24 unknown
v4 1.233.255.0/24 unknown
v4 115.88.77.0/24 unknown
v4 165.132.0.0/16 unknown
v4 165.132.0.0/17 unknown
v4 165.132.128.0/17 unknown
v4 165.132.32.0/21 unknown
v4 165.132.40.0/21 unknown
v4 61.32.255.0/24 unknown
v4 61.43.204.0/24 unknown

Routing: 33 IPv4 · 0 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	33
2026-06-13	33

AS topology · Customer cone 1

Providers · 3

AS4766 Korea Telecom
AS3786 LG DACOM Corporation
AS9318 SK Broadband Co Ltd

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