ISPs in Japan

On this page you will find a list of ISPs offering Internet access in Japan ordered by the highest Download speed.

Our database also tracks coverage where those providers have been observed to provide a service.

Browse by ISP we track coverage
Provider Name Download Speed Number of Tests
@Home Network Japan
49.5 Mb/s 55290
ARTERIA Networks Corporation
43.02 Mb/s 32322
au one net
40.9 Mb/s 249685
37.47 Mb/s 52815
Internet Initiative Japan
31.65 Mb/s 32694
Jupiter Telecommunications Co.
67.32 Mb/s 33855
K-Opticom Corporation
30.25 Mb/s 43245
48.55 Mb/s 244164
Softbank BB
40.21 Mb/s 248640
Sony Network Communications
61.2 Mb/s 72257
Average results in Japan

59.55 Mb/s

Download Speed

43.31 Mb/s

Upload Speed

Total speed tests in Japan
What is a speed test result in Japan?

Results based on tests in last 6 months (from 18-10-2018 to 18-04-2019).