AS37900

Name: AS37900 — NTT DOCOMO BUSINESS, Inc.
Creator: ipdex

NTT DOCOMO BUSINESS, Inc. Unknown registered in Japan

4IPv4 prefixes

3IPv6 prefixes

100%RPKI-valid

#29,073AS Rank

327/327RIS visibility

#326Rank in Japan

2006-01-30Allocated

NTT DOCOMO BUSINESS, Inc. (AS37900) — Unknown, registered in Japan. announces 4 IPv4 prefixes + 3 IPv6 prefixes. Rank in Japan: #326. Allocated: 2006-01-30.

IPv4 4IPv6 3

Announced prefixes · 7

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

Routing: 4 IPv4 · 3 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	7
2026-06-13	7

AS topology · Customer cone 1

Providers · 4

AS2914 NTT America, Inc.
AS17676 SoftBank Corp.
AS2516 KDDI CORPORATION
AS4713 NTT DOCOMO BUSINESS,Inc.

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