AS4725

Name: AS4725 — SoftBank Corp.
Creator: ipdex

SoftBank Corp. ISP registered in Japan

140IPv4 prefixes

1IPv6 prefixes

1%RPKI-valid

#2,445AS Rank

#29Rank in Japan

1995-08-30Allocated

SoftBank Corp. (AS4725) — ISP, registered in Japan. announces 140 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #29. Allocated: 1995-08-30.

IPv4 140IPv6 1

Announced prefixes · 141

v4 210.188.0.0/17 unknown
v4 210.189.249.0/24 unknown
v4 210.197.0.0/16 unknown
v4 210.228.128.0/17 unknown
v4 210.231.0.0/17 unknown
v4 210.231.106.0/24 unknown
v4 210.235.6.0/23 unknown
v4 210.236.234.0/23 unknown
v4 210.237.128.0/17 unknown
v4 210.239.72.0/24 unknown
v4 210.239.73.0/24 unknown
v4 210.252.103.0/24 unknown
v4 210.252.128.0/17 unknown
v4 210.254.0.0/18 unknown
v4 211.121.0.0/16 unknown
v4 211.127.0.0/16 unknown
v4 211.131.0.0/16 unknown
v4 211.3.0.0/16 unknown
v4 211.8.0.0/16 unknown
v4 218.216.80.0/20 unknown
v4 218.218.0.0/17 unknown
v4 218.218.128.0/18 unknown
v4 218.218.192.0/19 unknown
v4 218.218.232.0/21 unknown
v4 218.218.240.0/20 unknown
v4 218.40.192.0/20 unknown
v4 218.46.0.0/16 unknown
v4 219.66.0.0/15 unknown
v4 220.212.0.0/16 unknown
v4 39.2.128.0/17 unknown
v4 39.3.0.0/16 unknown
v4 61.116.0.0/16 unknown
v4 61.123.0.0/16 unknown
v4 61.196.0.0/16 unknown
v4 61.201.0.0/17 unknown
v4 61.201.136.0/21 unknown
v4 61.201.144.0/21 unknown
v4 61.201.160.0/19 unknown
v4 61.201.192.0/18 unknown
v4 61.209.0.0/16 unknown
v6 2001:278::/32 unknown

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

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	141
2026-06-13	141

AS topology · Customer cone 11

Providers · 2

AS2914 NTT America, Inc.
AS17676 SoftBank Corp.

Customers · 10

AS7514 Computer Engineering & Consulting, Ltd.
AS17505 SoftBank Corp.
AS17509 STARNET Co.,Ltd.
AS23795 Fitec Corp.
AS37888 HORIBA, Ltd.
AS59116 AIG Technologies KK

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