Home / Prefixes / 240a:71:8000::/36

240a:71:8000::/36 No ROA

Internet Initiative Japan · Updated 21.10.2026 23:14 UTC
Announced IPv6 AS2497 Internet Initiative Japan JP Japan

Network Information

Prefix
240a:71:8000::/36
Network Description:
—
Address range
240a:71:8000:: – 240a:71:8fff:ffff:ffff:ffff:ffff:ffff
Size
268,435,456 × /64
Origin AS
AS2497 Internet Initiative Japan
Organization
Internet Initiative Japan Inc.
AS path
AS208972AS9121AS2497
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
14.137.235.0/24 AS2497 JP Tokyo RPKI valid
14.137.243.0/24 AS2497 JP RPKI valid
23.131.136.0/24 AS2497 JP RPKI valid
23.159.40.0/24 AS2497 JP RPKI valid
23.183.56.0/24 AS2497 JP RPKI valid
43.249.241.0/24 AS2497 JP RPKI valid
45.38.103.0/24 AS2497 JP Tokyo RPKI valid
45.38.104.0/24 AS2497 JP Tokyo RPKI valid
45.39.42.0/24 AS2497 JP Tokyo RPKI valid
45.39.47.0/24 AS2497 JP Tokyo RPKI valid
45.39.102.0/24 AS2497 JP Tokyo RPKI valid
45.39.159.0/24 AS2497 JP Tokyo RPKI valid
45.39.227.0/24 AS2497 JP Tokyo RPKI valid
45.115.35.0/24 AS2497 Spring-tech Tsukuba building 401, Umezono 2-1-15 JP RPKI valid
45.124.63.0/24 AS2497 LIGUPNET JP RPKI valid
49.239.64.0/18 AS2497 Internet Initiative Japan Inc. JP RPKI valid
58.138.0.0/17 AS2497 Internet Initiative Japan Inc. JP Nishi RPKI valid
58.138.128.0/18 AS2497 Internet Initiative Japan Inc. JP Himesato RPKI valid
61.122.224.0/20 AS2497 Japan Network Information Center JP No ROA
61.124.0.0/20 AS2497 JP Tokyo RPKI valid
61.124.16.0/20 AS2497 JP Tokyo RPKI valid
61.211.96.0/19 AS2497 Internet Initiative Japan Inc. JP RPKI valid
79.170.199.0/24 AS2497 JP RPKI valid
80.47.64.0/20 AS2497 JP Tokyo RPKI valid
80.47.80.0/20 AS2497 JP Tokyo RPKI valid
81.203.0.0/16 AS2497 JP RPKI valid
89.30.176.0/23 AS2497 JP Tokyo RPKI valid
101.128.128.0/17 AS2497 Internet Initiative Japan Inc. JP RPKI valid
103.2.57.0/24 AS2497 IIJ Internet JP RPKI valid
103.2.58.0/23 AS2497 Internet Initiative Japan Inc. JP RPKI valid
103.5.23.0/24 AS2497 Videx Inc. JP No ROA
103.6.20.0/24 AS2497 JP Tokyo RPKI valid
103.6.21.0/24 AS2497 JP Tokyo RPKI valid
103.6.22.0/24 AS2497 JP RPKI valid
103.11.239.0/24 AS2497 JP RPKI valid
103.26.166.0/24 AS2497 JP RPKI valid
103.26.167.0/24 AS2497 JP RPKI valid
103.76.87.0/24 AS2497 email: [email protected] tel:15261566663 JP Tokyo RPKI valid
103.140.136.0/23 AS2497 rixCloud, Inc. JP Negishi RPKI valid
103.245.235.0/24 AS2497 JP RPKI valid
104.164.85.0/24 AS2497 JP Tokyo RPKI valid
104.164.92.0/24 AS2497 JP Tokyo RPKI valid
104.164.100.0/24 AS2497 JP Tokyo RPKI valid
104.164.132.0/24 AS2497 JP Tokyo RPKI valid
104.164.133.0/24 AS2497 JP Tokyo RPKI valid
104.165.87.0/24 AS2497 JP Tokyo RPKI valid
104.165.174.0/24 AS2497 JP Tokyo RPKI valid
104.165.181.0/24 AS2497 JP Tokyo RPKI valid
104.165.202.0/24 AS2497 JP Tokyo RPKI valid
104.165.254.0/24 AS2497 JP Tokyo RPKI valid
104.252.22.0/24 AS2497 JP Tokyo RPKI valid
104.252.84.0/22 AS2497 JP Tokyo RPKI valid
104.252.125.0/24 AS2497 JP Tokyo RPKI valid
104.252.126.0/24 AS2497 JP Tokyo RPKI valid
104.252.132.0/24 AS2497 JP Tokyo RPKI valid
104.253.94.0/24 AS2497 JP Tokyo RPKI valid
104.253.98.0/24 AS2497 JP Tokyo RPKI valid
104.253.239.0/24 AS2497 JP Tokyo RPKI valid
109.66.30.0/23 AS2497 JP Tokyo RPKI valid
113.197.128.0/17 AS2497 Internet Initiative Japan Inc. JP Hiroshima RPKI valid
116.118.192.0/20 AS2497 Internet Initiative Japan Inc. JP RPKI valid
118.151.0.0/17 AS2497 Sigmaline, Inc. JP Sannomaru RPKI valid
118.151.128.0/18 AS2497 Internet Initiative Japan Inc. JP RPKI valid
119.10.192.0/18 AS2497 Internet Initiative Japan Inc. JP RPKI valid
121.50.160.0/21 AS2497 Hikari Net Co., Ltd. JP Ōta No ROA
121.102.0.0/16 AS2497 Internet Initiative Japan Inc. JP Kyoto RPKI valid
121.200.200.0/21 AS2497 Internet Initiative Japan Inc. JP RPKI valid
124.41.0.0/17 AS2497 Internet Initiative Japan Inc. JP RPKI valid
124.41.128.0/18 AS2497 Internet Initiative Japan Inc. JP RPKI valid
124.147.64.0/18 AS2497 Internet Initiative Japan Inc. JP RPKI valid
125.30.0.0/16 AS2497 Internet Initiative Japan Inc. JP Nishibori RPKI valid
129.249.0.0/16 AS2497 9-7-3 Akasaka, Minato-ku Tokyo 107-0052, Japan JP No ROA
131.248.0.0/16 AS2497 ITOCHU Techno-Solutions Corporation JP No ROA
132.179.0.0/16 AS2497 Toppan Printing Co., Ltd. JP No ROA
133.110.0.0/16 AS2497 Internet Initiative Japan Inc. JP Yukuhashi RPKI valid
133.111.0.0/16 AS2497 Japan Network Information Center JP No ROA
133.127.0.0/16 AS2497 Japan Network Information Center JP Matsubara No ROA
133.137.0.0/16 AS2497 Internet Initiative Japan Inc. JP RPKI valid
133.142.0.0/16 AS2497 Internet Initiative Japan Inc. JP RPKI valid
133.157.32.0/19 AS2497 JP Tokyo RPKI valid
133.157.72.0/21 AS2497 JP RPKI valid
133.157.80.0/20 AS2497 JP RPKI valid
133.157.96.0/21 AS2497 JP RPKI valid
133.157.104.0/21 AS2497 JP RPKI valid
133.157.112.0/21 AS2497 JP RPKI valid
133.157.120.0/24 AS2497 JP RPKI valid
133.157.121.0/24 AS2497 JP RPKI valid
133.157.122.0/24 AS2497 JP RPKI valid
133.157.123.0/24 AS2497 JP RPKI valid
133.157.124.0/24 AS2497 JP RPKI valid
133.157.125.0/24 AS2497 JP RPKI valid
133.157.126.0/24 AS2497 JP RPKI valid
133.157.127.0/24 AS2497 JP RPKI valid
133.159.0.0/16 AS2497 Internet Initiative Japan Inc. JP Kawagoe RPKI valid
133.169.0.0/21 AS2497 JP Tokyo RPKI valid
133.169.8.0/22 AS2497 JP Tokyo RPKI valid
133.173.0.0/16 AS2497 Japan Network Information Center JP No ROA
133.173.0.0/17 AS2497 Japan Network Information Center JP No ROA
133.173.128.0/17 AS2497 Japan Network Information Center JP No ROA
133.183.96.0/21 AS2497 Japan Network Information Center JP RPKI valid
133.183.106.0/24 AS2497 Japan Network Information Center JP RPKI valid
133.183.128.0/19 AS2497 Japan Network Information Center JP RPKI valid
133.194.0.0/17 AS2497 JP No ROA
133.194.128.0/18 AS2497 JP No ROA
133.194.192.0/19 AS2497 JP No ROA
133.194.224.0/20 AS2497 JP No ROA
133.194.240.0/21 AS2497 JP No ROA
133.194.248.0/22 AS2497 JP No ROA
133.194.252.0/23 AS2497 JP No ROA
133.194.254.0/24 AS2497 JP No ROA
133.215.0.0/16 AS2497 Japan Network Information Center JP No ROA
133.218.0.0/16 AS2497 Internet Initiative Japan Inc. JP Isesaki RPKI valid
133.221.0.0/16 AS2497 Japan Network Information Center JP Tokyo No ROA
133.221.3.0/24 AS2497 Japan Network Information Center JP Tokyo No ROA
133.236.0.0/16 AS2497 Internet Initiative Japan Inc. JP RPKI valid
133.238.8.0/21 AS2497 Internet Initiative Japan Inc. JP Yokohama RPKI valid
133.238.16.0/20 AS2497 IIJ Internet JP Tokyo RPKI valid
133.238.32.0/19 AS2497 IIJ Internet JP Kamikita RPKI valid
133.238.128.0/17 AS2497 Internet Initiative Japan Inc. JP Tokyo RPKI valid
133.245.0.0/16 AS2497 Japan Network Information Center JP No ROA
133.254.0.0/16 AS2497 Japan Network Information Center JP Shizuoka No ROA
133.254.130.0/24 AS2497 Japan Network Information Center JP Moriguchi No ROA
133.254.131.0/24 AS2497 Japan Network Information Center JP Moriguchi No ROA
134.237.0.0/16 AS2497 Yaskawa Electric Corporation JP No ROA
138.107.0.0/16 AS2497 OLYMPUS CORPORATION JP No ROA
139.152.0.0/16 AS2497 Tokyo Gas Co., Ltd. JP No ROA
139.152.11.0/24 AS2497 JP No ROA
139.152.13.0/24 AS2497 JP No ROA
139.152.14.0/24 AS2497 JP No ROA
139.152.15.0/24 AS2497 JP No ROA
142.252.252.0/22 AS2497 JP Tokyo RPKI valid
143.94.0.0/16 AS2497 9-7-3 Akasaka, Minato-ku Tokyo 107-0052, Japan JP No ROA
143.94.217.0/24 AS2497 9-7-3 Akasaka, Minato-ku Tokyo 107-0052, Japan JP No ROA
143.125.0.0/17 AS2497 NTT Electronics Corporation JP No ROA
143.125.128.0/18 AS2497 NTT Electronics Corporation JP No ROA
143.125.192.0/20 AS2497 NTT Electronics Corporation JP No ROA
143.125.208.0/22 AS2497 NTT Electronics Corporation JP No ROA
150.23.0.0/16 AS2497 Japan Network Information Center JP No ROA
150.31.0.0/16 AS2497 Internet Initiative Japan Inc. JP RPKI valid
150.61.5.0/24 AS2497 Japan Network Information Center JP No ROA
150.61.54.0/24 AS2497 Japan Network Information Center JP No ROA
150.61.55.0/24 AS2497 Japan Network Information Center JP No ROA
150.87.0.0/16 AS2497 Japan Network Information Center JP No ROA
150.90.0.0/16 AS2497 Japan Network Information Center JP Toyotamakita No ROA
156.9.112.0/23 AS2497 JP RPKI valid
156.9.114.0/23 AS2497 JP RPKI valid
157.65.8.0/21 AS2497 Internet Initiative Japan Inc. JP RPKI valid
157.65.176.0/21 AS2497 Internet Initiative Japan Inc. JP Tochigi RPKI valid
157.65.192.0/21 AS2497 Internet Initiative Japan Inc. JP RPKI valid
157.67.0.0/16 AS2497 JP RPKI valid
160.13.0.0/16 AS2497 Internet Initiative Japan Inc. JP RPKI valid
160.17.0.0/16 AS2497 Recruit Co., Ltd. JP No ROA
160.244.0.0/16 AS2497 Tezukayama University JP RPKI valid
163.49.0.0/16 AS2497 Internet Initiative Japan Inc. JP Kawasaki RPKI valid
163.55.0.0/16 AS2497 RYOBI LIMITED JP No ROA
163.140.0.0/16 AS2497 JP RPKI valid
163.218.0.0/16 AS2497 JP Nagasaki RPKI valid
164.37.196.0/23 AS2497 JP Tokyo RPKI valid
167.169.0.0/16 AS2497 NIPPON TELEVISION NETWORK CORPORATION JP No ROA
172.120.14.0/24 AS2497 JP Tokyo RPKI valid
172.120.69.0/24 AS2497 JP Tokyo RPKI valid
172.121.39.0/24 AS2497 JP Tokyo RPKI valid
172.122.0.0/15 AS2497 Internet Initiative Japan Inc. JP Mejiro RPKI valid
178.239.124.0/24 AS2497 BG RPKI valid
178.239.125.0/24 AS2497 BG RPKI valid
178.239.126.0/24 AS2497 BG RPKI valid
182.54.240.0/22 AS2497 SmartInsight Inc. JP No ROA
192.6.164.0/23 AS2497 JP Tokyo RPKI valid
192.47.161.0/24 AS2497 NTT Internet INC., Tokyo, Japan. JP No ROA
192.50.252.0/23 AS2497 Fukuoka Broadcasting Corp JP No ROA
192.70.131.0/24 AS2497 US New York RPKI valid
192.244.8.0/21 AS2497 Showa Medical Science,Ltd. JP No ROA
202.15.44.0/23 AS2497 NTT Advanced Technology Corporation JP No ROA
202.19.224.0/21 AS2497 Japan Network Information Center JP Tokyo No ROA
202.22.208.0/20 AS2497 Hikari Net Co., Ltd. JP Kiryū No ROA
202.24.192.0/24 AS2497 Nissen Co., Ltd. JP No ROA
202.24.193.0/24 AS2497 Nissen Co., Ltd. JP No ROA
202.24.194.0/24 AS2497 Nissen Co., Ltd. JP No ROA
202.24.195.0/24 AS2497 Nissen Co., Ltd. JP No ROA
202.24.196.0/24 AS2497 Nissen Co., Ltd. JP No ROA
202.32.0.0/16 AS2497 Internet Initiative Japan Inc. JP Tokyo RPKI valid
202.48.108.0/23 AS2497 Internet Initiative Japan Inc. JP RPKI valid
202.141.192.0/20 AS2497 Internet Initiative Japan Inc. JP RPKI valid
202.155.129.0/24 AS2497 JP Tokyo RPKI valid
202.155.130.0/24 AS2497 INDOSATM2 Internet Service Provider JP Tokyo RPKI valid
202.214.0.0/16 AS2497 Internet Initiative Japan Inc. JP Kamiochiai RPKI valid
202.221.0.0/16 AS2497 Internet Initiative Japan Inc. JP Kagoshima RPKI valid
202.224.128.0/18 AS2497 Internet Initiative Japan Inc. JP No ROA
202.232.0.0/16 AS2497 Internet Initiative Japan Inc. JP Iidabashi RPKI valid
202.238.128.0/18 AS2497 Internet Initiative Japan Inc. JP Koishikawa RPKI valid
202.238.192.0/18 AS2497 Internet Initiative Japan Inc. JP Kobe RPKI valid
202.242.16.0/23 AS2497 Japan Network Information Center JP No ROA
202.244.222.0/24 AS2497 Panasonic Infomation Systems Co.,Ltd. JP No ROA
202.245.176.0/20 AS2497 Japan Network Information Center JP No ROA
202.250.154.0/24 AS2497 NGK INSULATORS,LTD. JP No ROA
202.250.155.0/24 AS2497 NGK INSULATORS,LTD. JP No ROA
202.251.0.0/19 AS2497 CTI Engineering Co.Ltd. JP No ROA
202.253.160.0/22 AS2497 Japan Network Information Center JP No ROA
203.139.224.0/22 AS2497 EJWORKS CORPORATION JP No ROA
203.139.228.0/22 AS2497 EJWORKS CORPORATION JP No ROA
200 / 268

Origin AS

Details →
AS
AS2497
Name
Internet Initiative Japan
Also Known As:
IIJ
Website
http://www.iij.ad.jp/en/
Prefixes
258 IPv4 · 11 IPv6
Peers
190 (0 Upstreams)

Approximate location

GeoLite2

External links

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