AS9617

Name: AS9617 — JCOM Co., Ltd.
Creator: ipdex

JCOM Co., Ltd. Unknown registered in Japan

85IPv4 prefixes

33IPv6 prefixes

100%RPKI-valid

#15,266AS Rank

#32Rank in Japan

1999-08-05Allocated

JCOM Co., Ltd. (AS9617) — Unknown, registered in Japan. announces 85 IPv4 prefixes + 33 IPv6 prefixes. Rank in Japan: #32. Allocated: 1999-08-05.

IPv4 85IPv6 33

Announced prefixes · 118

v4 119.24.0.0/15 valid
v4 119.24.0.0/16 valid
v4 119.25.0.0/16 valid
v4 119.26.0.0/16 valid
v4 119.26.0.0/17 valid
v4 119.26.128.0/17 valid
v4 122.102.128.0/17 valid
v4 122.102.128.0/18 valid
v4 122.102.192.0/18 valid
v4 122.196.0.0/15 valid
v4 122.196.0.0/17 valid
v4 122.196.128.0/17 valid
v4 122.197.0.0/17 valid
v4 122.197.128.0/17 valid
v4 125.4.0.0/16 valid
v4 125.4.0.0/18 valid
v4 125.4.128.0/18 valid
v4 125.4.192.0/18 valid
v4 125.4.64.0/18 valid
v4 180.220.0.0/15 valid
v4 180.220.0.0/16 valid
v4 180.221.0.0/16 valid
v4 211.120.128.0/18 valid
v4 211.120.128.0/19 valid
v4 211.120.160.0/19 valid
v4 211.124.0.0/16 valid
v4 211.124.0.0/19 valid
v4 211.124.128.0/19 valid
v4 211.124.160.0/19 valid
v4 211.124.192.0/19 valid
v4 211.124.224.0/19 valid
v4 211.124.32.0/19 valid
v4 211.124.64.0/19 valid
v4 211.124.96.0/19 valid
v4 211.135.0.0/17 valid
v4 211.135.0.0/19 valid
v4 211.135.32.0/19 valid
v4 211.135.64.0/19 valid
v4 211.135.96.0/19 valid
v4 218.220.0.0/16 valid
v4 218.220.0.0/19 valid
v4 218.220.128.0/19 valid
v4 218.220.160.0/19 valid
v4 218.220.192.0/19 valid
v4 218.220.224.0/19 valid
v4 218.220.32.0/19 valid
v4 218.220.64.0/19 valid
v4 218.220.96.0/19 valid
v4 219.114.192.0/18 valid
v4 219.114.192.0/19 valid

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

— Routing status unavailable

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	118
2026-06-13	118

AS topology · Customer cone 1

Providers · 1

AS9824 JCOM Co., Ltd.

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