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.

Japan speed test
Browse by ISP we track coverage
Provider Name Download Speed Number of Tests
@Home Network Japan
148.02 Mb/s 65614
au one net
197.52 Mb/s 157529
287.92 Mb/s 74100
342.94 Mb/s 112062
K-Opticom Corporation
74.94 Mb/s 51140
232.3 Mb/s 264321
Rakuten Mobile Network
17.09 Mb/s 63370
Softbank BB
186.98 Mb/s 220012
317.98 Mb/s 109208
190.14 Mb/s 60744
Average results in Japan

152.73 Mb/s

Download Speed

121.86 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 11.04.2021 to 11.10.2021).