AS131905

Name: AS131905 — Japan Registry Services Co., Ltd.
Creator: ipdex

Japan Registry Services Co., Ltd. Unknown registered in Japan

3IPv4 prefixes

1IPv6 prefixes

#44,198AS Rank

326/327RIS visibility

#470Rank in Japan

2011-08-04Allocated

Japan Registry Services Co., Ltd. (AS131905) — Unknown, registered in Japan. announces 3 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #470. Allocated: 2011-08-04.

IPv4 3IPv6 1

Announced prefixes · 4

v4 103.198.208.0/23 unknown
v4 103.198.210.0/24 unknown
v4 219.100.72.0/24 unknown
v6 2403:2880::/32 unknown

Routing: 3 IPv4 · 1 IPv6 announced · RIS visibility 326/327 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	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 1

AS18149 Japan Registry Service Co., Ltd.

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