AS4721

Name: AS4721 — JCOM Co., Ltd.
Creator: ipdex

JCOM Co., Ltd. Unknown registered in Japan

162IPv4 prefixes

1IPv6 prefixes

100%RPKI-valid

#13,922AS Rank

#25Rank in Japan

1995-08-30Allocated

JCOM Co., Ltd. (AS4721) — Unknown, registered in Japan. announces 162 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #25. Allocated: 1995-08-30.

IPv4 162IPv6 1

Announced prefixes · 163

v4 110.173.240.0/20 valid
v4 110.173.240.0/21 valid
v4 110.173.248.0/21 valid
v4 110.232.0.0/19 valid
v4 110.232.0.0/20 valid
v4 110.232.128.0/21 valid
v4 110.232.128.0/22 valid
v4 110.232.132.0/22 valid
v4 110.232.16.0/20 valid
v4 110.4.48.0/20 valid
v4 110.4.48.0/21 valid
v4 110.4.56.0/21 valid
v4 110.92.80.0/20 valid
v4 110.92.80.0/21 valid
v4 110.92.88.0/21 valid
v4 110.93.0.0/21 valid
v4 110.93.0.0/22 valid
v4 110.93.4.0/22 valid
v4 111.90.0.0/17 valid
v4 111.90.0.0/18 valid
v4 111.90.64.0/18 valid
v4 112.137.32.0/20 valid
v4 112.137.32.0/21 valid
v4 112.137.40.0/21 valid
v4 112.137.64.0/18 valid
v4 112.137.64.0/19 valid
v4 112.137.96.0/19 valid
v4 113.52.16.0/20 valid
v4 113.52.16.0/21 valid
v4 113.52.24.0/21 valid
v4 113.61.112.0/20 valid
v4 113.61.112.0/21 valid
v4 113.61.120.0/21 valid
v4 114.134.112.0/20 valid
v4 114.134.112.0/21 valid
v4 114.134.120.0/21 valid
v4 114.134.192.0/18 valid
v4 114.134.192.0/19 valid
v4 114.134.224.0/19 valid
v4 114.142.128.0/21 valid
v4 114.142.128.0/22 valid
v4 114.142.132.0/22 valid
v4 114.198.192.0/19 valid
v4 114.198.192.0/20 valid
v4 114.198.208.0/20 valid
v4 114.198.224.0/21 valid
v4 114.198.224.0/22 valid
v4 114.198.228.0/22 valid
v4 115.42.104.0/21 valid
v4 115.42.96.0/20 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	163
2026-06-13	163

AS topology · Customer cone 1

Providers · 1

AS9824 JCOM Co., Ltd.

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