AS2506

Name: AS2506 — NTT business Solutions corporation
Creator: ipdex

NTT business Solutions corporation Unknown registered in Japan

15IPv4 prefixes

1IPv6 prefixes

63%RPKI-valid

#13,406AS Rank

327/327RIS visibility

#170Rank in Japan

2002-04-05Allocated

NTT business Solutions corporation (AS2506) — Unknown, registered in Japan. announces 15 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #170. Allocated: 2002-04-05.

IPv4 15IPv6 1

Announced prefixes · 16

v4 133.41.0.0/16 unknown
v4 150.19.0.0/16 unknown
v4 165.242.0.0/16 unknown
v4 202.15.112.0/22 unknown
v4 202.245.144.0/24 unknown
v4 202.249.192.0/19 valid
v4 202.249.200.0/22 valid
v4 202.249.204.0/24 valid
v4 202.249.206.0/24 valid
v4 202.249.207.0/24 valid
v4 202.249.208.0/24 valid
v4 202.249.214.0/24 valid
v4 202.249.224.0/19 valid
v4 202.249.236.0/24 valid
v4 202.249.237.0/24 valid
v6 2001:44a0::/32 unknown

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

Routing: 15 IPv4 · 1 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	16
2026-06-13	16

AS topology · Customer cone 1

Providers · 2

AS2907 Research Organization of Information and Systems, National Institute of Informatics
AS7671 NTT SmartConnect Corporation

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