Home / Prefixes / 2001:278::/32

2001:278::/32 No ROA

Softbank Corp. (former Japan Telecom) · Updated 21.10.2026 20:15 UTC
Announced IPv6 AS4725 Softbank Corp. (former Japan Telecom) JP Japan

Network Information

Prefix
2001:278::/32
Network Description:
—
Address range
2001:278:: – 2001:278:ffff:ffff:ffff:ffff:ffff:ffff
Size
4,294,967,296 × /64
Origin AS
AS4725 Softbank Corp. (former Japan Telecom)
Organization
Softbank Corp.
AS path
AS208972AS9121AS3257AS17676AS4725
Paths seen
1
RPKI
No ROA
Location
JP Japan
First seen
21.10.2026

RPKI ROAs

No ROA covers this prefix.
None in the routing table.
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
1.5.0.0/16 AS4725 SOFTBANK TELECOM Corp. JP No ROA
39.2.128.0/17 AS4725 SOFTBANK TELECOM Corp. JP No ROA
39.3.0.0/16 AS4725 SOFTBANK TELECOM Corp. JP Chiba No ROA
61.116.0.0/16 AS4725 SoftBank Corp. JP Nagoya No ROA
61.123.0.0/16 AS4725 SoftBank Corp. JP Mito No ROA
61.196.0.0/16 AS4725 SoftBank Corp. JP Suita No ROA
61.201.0.0/17 AS4725 SoftBank Corp. JP Yawata No ROA
61.201.136.0/21 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP Himurochō No ROA
61.201.144.0/21 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP Tokushima No ROA
61.201.160.0/19 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP No ROA
61.201.192.0/18 AS4725 SoftBank Corp. JP No ROA
61.209.0.0/16 AS4725 SoftBank Corp. JP Tokyo No ROA
143.90.0.0/16 AS4725 SoftBank Corp. JP No ROA
150.3.96.0/24 AS4725 Japan Network Information Center JP No ROA
157.2.8.0/24 AS4725 JP Matsudo No ROA
157.2.9.0/24 AS4725 JP Matsudo No ROA
157.2.10.0/24 AS4725 JP Matsudo No ROA
157.2.11.0/24 AS4725 Net One Systems Co.,Ltd. JP Matsudo No ROA
157.2.126.0/24 AS4725 Net One Systems Co.,Ltd. JP No ROA
157.78.0.0/17 AS4725 ACCESS CO., LTD. JP No ROA
157.78.128.0/18 AS4725 ACCESS CO., LTD. JP No ROA
157.78.192.0/19 AS4725 ACCESS CO., LTD. JP No ROA
157.78.224.0/20 AS4725 ACCESS CO., LTD. JP No ROA
157.78.240.0/21 AS4725 ACCESS CO., LTD. JP No ROA
157.78.248.0/21 AS4725 ACCESS CO., LTD. JP No ROA
165.76.0.0/17 AS4725 SoftBank Corp. JP No ROA
182.158.64.0/19 AS4725 SOFTBANK TELECOM Corp. JP Tokyo No ROA
182.158.128.0/19 AS4725 SOFTBANK TELECOM Corp. JP Kitazawa No ROA
182.158.224.0/20 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.16.0/20 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.32.0/19 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.64.0/18 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.144.0/20 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.160.0/19 AS4725 SOFTBANK TELECOM Corp. JP No ROA
182.159.192.0/20 AS4725 SOFTBANK TELECOM Corp. JP No ROA
198.36.75.0/24 AS4725 JP RPKI valid
202.19.20.0/24 AS4725 Daido Steel Co.,Ltd. JP No ROA
202.19.21.0/24 AS4725 Daido Steel Co.,Ltd. JP No ROA
202.26.200.0/21 AS4725 AEON CREDIT SERVICE CO.,LTD. JP No ROA
202.33.0.0/16 AS4725 Japan Network Information Center JP No ROA
202.33.19.0/24 AS4725 SoftBank Corp. JP No ROA
202.33.134.0/24 AS4725 SoftBank Corp. JP No ROA
202.33.167.0/24 AS4725 SoftBank Corp. JP No ROA
202.33.227.0/24 AS4725 SoftBank Corp. JP No ROA
202.48.208.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.48.210.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.48.211.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.48.212.0/24 AS4725 JP No ROA
202.48.214.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.48.216.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.48.217.0/24 AS4725 JAPAN POST HOLDINGS Co., Ltd. JP No ROA
202.126.224.0/20 AS4725 Minato-ku Tokyo 108-0023, Japan. JP No ROA
202.174.192.0/19 AS4725 SoftBank Corp. JP Ōshū No ROA
202.179.207.0/24 AS4725 SOFTBANK MOBILE Corp. JP No ROA
202.211.128.0/22 AS4725 SoftBank Corp. JP No ROA
202.211.156.0/22 AS4725 SoftBank Corp. JP No ROA
202.211.192.0/22 AS4725 SoftBank Corp. JP No ROA
202.211.200.0/21 AS4725 SoftBank Corp. JP No ROA
202.211.212.0/22 AS4725 SoftBank Corp. JP No ROA
202.211.216.0/21 AS4725 SoftBank Corp. JP No ROA
202.211.240.0/21 AS4725 SoftBank Corp. JP No ROA
202.217.128.0/17 AS4725 SoftBank Corp. JP Tochigi No ROA
202.218.14.0/24 AS4725 SoftBank Corp. JP Minato No ROA
202.227.32.0/20 AS4725 SoftBank Corp. JP Yokohama No ROA
202.227.48.0/22 AS4725 SoftBank Corp. JP No ROA
202.227.56.0/22 AS4725 SoftBank Corp. JP No ROA
202.230.19.0/24 AS4725 SoftBank Corp. JP No ROA
202.230.59.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.128.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.131.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.136.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.145.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.146.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.152.0/24 AS4725 SoftBank Corp. JP No ROA
202.234.154.0/24 AS4725 SoftBank Corp. JP No ROA
202.240.192.0/19 AS4725 Japan Network Information Center JP No ROA
202.242.240.0/23 AS4725 Faculty of Medical Technology Teikyo University, Fukuoka JP No ROA
202.255.48.0/22 AS4725 Japan Network Information Center JP No ROA
203.139.0.0/18 AS4725 SoftBank Corp. JP No ROA
203.139.40.0/24 AS4725 SoftBank Corp. JP Kamimizo No ROA
203.139.64.0/19 AS4725 SoftBank Corp. JP Roppongi No ROA
203.183.153.0/24 AS4725 SoftBank Corp. JP No ROA
203.183.154.0/23 AS4725 SoftBank Corp. JP No ROA
210.129.185.0/24 AS4725 SoftBank Corp. JP No ROA
210.134.64.0/19 AS4725 Japan Network Information Center JP No ROA
210.134.76.0/24 AS4725 SoftBank Corp. JP No ROA
210.140.32.0/23 AS4725 SoftBank Corp. JP No ROA
210.142.160.0/21 AS4725 SoftBank Corp. JP No ROA
210.142.168.0/22 AS4725 SoftBank Corp. JP No ROA
210.142.172.0/22 AS4725 SoftBank Corp. JP No ROA
210.142.176.0/20 AS4725 SoftBank Corp. JP No ROA
210.146.0.0/18 AS4725 Japan Network Information Center JP No ROA
210.151.0.0/18 AS4725 SoftBank Corp. JP No ROA
210.156.96.0/20 AS4725 Japan Network Information Center JP No ROA
210.158.207.0/24 AS4725 SoftBank Corp. JP No ROA
210.169.128.0/17 AS4725 SoftBank Corp. JP No ROA
210.169.212.0/24 AS4725 SoftBank Corp. JP No ROA
210.169.231.0/24 AS4725 SoftBank Corp. JP No ROA
210.171.123.0/24 AS4725 ARTNATURE INC. JP No ROA
210.174.148.0/22 AS4725 SoftBank Corp. JP No ROA
210.174.160.0/20 AS4725 SoftBank Corp. JP No ROA
210.174.176.0/22 AS4725 SoftBank Corp. JP No ROA
210.174.184.0/21 AS4725 SoftBank Corp. JP No ROA
210.174.196.0/22 AS4725 SoftBank Corp. JP No ROA
210.174.200.0/21 AS4725 SoftBank Corp. JP No ROA
210.174.208.0/22 AS4725 SoftBank Corp. JP No ROA
210.175.0.0/17 AS4725 Japan Network Information Center JP No ROA
210.188.0.0/17 AS4725 SoftBank Corp. JP Toeicho No ROA
210.189.249.0/24 AS4725 SoftBank Corp. JP No ROA
210.197.0.0/16 AS4725 SoftBank Corp. JP Ebisu No ROA
210.228.128.0/17 AS4725 SoftBank Corp. JP Sasame No ROA
210.231.0.0/17 AS4725 SoftBank Corp. JP Higashiimajuku No ROA
210.231.106.0/24 AS4725 SoftBank Corp. JP Kawaguchi No ROA
210.235.6.0/23 AS4725 JAL Information Technology Co.,Ltd. JP No ROA
210.236.234.0/23 AS4725 SoftBank Corp. JP No ROA
210.237.128.0/17 AS4725 SoftBank Corp. JP No ROA
210.239.72.0/24 AS4725 KOBAYASHI PHARMACEUTICAL Co.,Ltd. JP No ROA
210.239.73.0/24 AS4725 SoftBank Corp. JP No ROA
210.252.103.0/24 AS4725 SoftBank Corp. JP No ROA
210.252.128.0/17 AS4725 SoftBank Corp. JP No ROA
210.254.0.0/18 AS4725 SoftBank Corp. JP Nagareyama No ROA
211.3.0.0/16 AS4725 SoftBank Corp. JP Oyabe No ROA
211.8.0.0/16 AS4725 SoftBank Corp. JP No ROA
211.121.0.0/16 AS4725 SoftBank Corp. JP No ROA
211.127.0.0/16 AS4725 SoftBank Corp. JP Tokyo No ROA
211.131.0.0/16 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP Nagoya No ROA
218.40.192.0/20 AS4725 Japan Network Information Center JP No ROA
218.46.0.0/16 AS4725 SoftBank Corp. JP Fukushima No ROA
218.216.80.0/20 AS4725 Japan Network Information Center JP No ROA
218.218.0.0/17 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP Osaka No ROA
218.218.128.0/18 AS4725 SoftBank Corp. JP Nagoya No ROA
218.218.192.0/19 AS4725 SoftBank Corp. JP No ROA
218.218.232.0/21 AS4725 SoftBank Corp. JP No ROA
218.218.240.0/20 AS4725 Open Data Network(JAPAN TELECOM CO.,LTD.) JP No ROA
219.66.0.0/15 AS4725 SoftBank Corp. JP Kiyosu No ROA
220.212.0.0/16 AS4725 SoftBank Corp. JP Tokyo No ROA

Origin AS

Details →
AS
AS4725
Name
Softbank Corp. (former Japan Telecom)
Also Known As:
ODN, SoftBank
Website
http://www.softbank.jp/en/
Prefixes
136 IPv4 · 1 IPv6
Peers
7 (2 Upstreams)

Approximate location

GeoLite2

External links

RIPEstat bgp.tools Hurricane Electric IRR Explorer Looking Glass JSON API