AS23780

Name: AS23780 — CTB Media Inc.
Creator: ipdex

CTB Media Inc. ISP registered in Japan

5IPv4 prefixes

1IPv6 prefixes

83%RPKI-valid

#22,226AS Rank

327/327RIS visibility

#363Rank in Japan

2003-06-16Allocated

CTB Media Inc. (AS23780) — ISP, registered in Japan. announces 5 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #363. Allocated: 2003-06-16.

IPv4 5IPv6 1

Announced prefixes · 6

v4 203.201.52.0/22 valid
v4 211.15.112.0/20 valid
v4 211.19.224.0/19 valid
v4 49.128.24.0/21 valid
v4 49.128.96.0/22 valid
v6 2402:6c80::/32 unknown

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

Routing: 5 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	6
2026-06-13	6

Internet Exchanges · 10

BBIX Osaka Osaka 20 Gbps
BBIX Fukuoka Fukuoka 10 Gbps
BBIX Tokyo Tokyo 10 Gbps
JPNAP Fukuoka Fukuoka 10 Gbps
JPNAP Osaka Osaka 10 Gbps
JPNAP Tokyo Tokyo 10 Gbps
BBIX Amsterdam Amsterdam 300 Mbps
BBIX Hong Kong Hong Kong 300 Mbps
BBIX Singapore Singapore 300 Mbps
BBIX US-West West Coast 300 Mbps

Facilities · 2

2 Facilities · 1 Countries

NTT DATA Dojima (building #4) Osaka
QTnet Fukuoka Data Center 3(QD3) Fukuoka

AS topology · Customer cone 1

Providers · 3

AS2497 Internet Initiative Japan Inc.
AS17676 SoftBank Corp.
AS2519 ARTERIA Networks Corporation

Peers · 18

AS6939 Hurricane Electric LLC
AS9002 RETN Limited
AS3216 PJSC Vimpelcom
AS20485 Joint Stock Company TransTeleCom
AS137409 GSL Networks Pty LTD
AS7713 PT Telekomunikasi Indonesia

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