AS4673

Name: AS4673 — NTT DATA CORPORATION
Creator: ipdex

NTT DATA CORPORATION ISP registered in Japan

26IPv4 prefixes

3IPv6 prefixes

#13,910AS Rank

327/327RIS visibility

#105Rank in Japan

1995-08-30Allocated

NTT DATA CORPORATION (AS4673) — ISP, registered in Japan. announces 26 IPv4 prefixes + 3 IPv6 prefixes. Rank in Japan: #105. Allocated: 1995-08-30.

IPv4 26IPv6 3

Announced prefixes · 29

v4 163.135.0.0/16 unknown
v4 202.217.0.0/17 unknown
v4 202.217.72.0/24 unknown
v4 202.217.73.0/24 unknown
v4 202.217.74.0/24 unknown
v4 202.217.75.0/24 unknown
v4 202.235.64.0/19 unknown
v4 202.235.70.0/23 unknown
v4 202.235.72.0/23 unknown
v4 202.235.96.0/20 unknown
v4 203.182.0.0/16 unknown
v4 203.182.17.0/24 unknown
v4 203.182.224.0/20 unknown
v4 203.182.234.0/24 unknown
v4 203.182.247.0/24 unknown
v4 210.144.0.0/16 unknown
v4 210.144.109.0/24 unknown
v4 210.144.11.0/24 unknown
v4 210.144.21.0/24 unknown
v4 210.144.64.0/24 unknown
v4 210.144.73.0/24 unknown
v4 210.144.84.0/24 unknown
v4 210.144.86.0/24 unknown
v4 210.144.87.0/24 unknown
v4 210.144.93.0/24 unknown
v4 210.144.95.0/24 unknown
v6 2001:c80:80::/46 unknown
v6 2001:c80::/32 unknown
v6 2001:c80:b000::/36 unknown

Routing: 26 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	29
2026-06-13	29

Internet Exchanges · 2

JPIX TOKYO Tokyo 10 Gbps
JPNAP Tokyo Tokyo 10 Gbps

Facilities · 2

2 Facilities · 1 Countries

NTT DATA Dojima (building #4) Osaka
NTT DATA Otemachi Bldg Tokyo

AS topology · Customer cone 1

Providers · 3

AS2914 NTT America, Inc.
AS4637 Telstra Global
AS2497 Internet Initiative Japan Inc.

Peers · 5

AS17676 SoftBank Corp.
AS2516 KDDI CORPORATION
AS4713 NTT DOCOMO BUSINESS,Inc.
AS2518 BIGLOBE Inc.
AS4777 Asia Pacific Network Information Centre

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