AS18136

Name: AS18136 — JCOM Co., Ltd.
Creator: ipdex

JCOM Co., Ltd. Unknown registered in Japan

18IPv4 prefixes

0IPv6 prefixes

100%RPKI-valid

#19,303AS Rank

327/327RIS visibility

#159Rank in Japan

2002-03-21Allocated

JCOM Co., Ltd. (AS18136) — Unknown, registered in Japan. announces 18 IPv4 prefixes + 0 IPv6 prefixes. Rank in Japan: #159. Allocated: 2002-03-21.

IPv4 18IPv6 0

Announced prefixes · 18

v4 117.53.0.0/19 valid
v4 117.53.0.0/20 valid
v4 117.53.16.0/20 valid
v4 117.53.32.0/21 valid
v4 117.53.32.0/22 valid
v4 117.53.36.0/22 valid
v4 219.105.112.0/20 valid
v4 219.105.80.0/20 valid
v4 219.105.80.0/21 valid
v4 219.105.88.0/21 valid
v4 219.105.96.0/19 valid
v4 219.105.96.0/20 valid
v4 27.126.128.0/20 valid
v4 27.126.128.0/21 valid
v4 27.126.136.0/21 valid
v4 27.126.64.0/18 valid
v4 27.126.64.0/19 valid
v4 27.126.96.0/19 valid

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

Routing: 18 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	18
2026-06-13	18

AS topology · Customer cone 1

Providers · 1

AS9824 JCOM Co., Ltd.

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