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
123.39 Mb/s 64316
au one net
223.62 Mb/s 159055
236.54 Mb/s 72888
337.66 Mb/s 115636
K-Opticom Corporation
84.6 Mb/s 49720
246.46 Mb/s 276075
Rakuten Mobile Network
16.16 Mb/s 81046
Softbank BB
156.76 Mb/s 226089
344.52 Mb/s 108403
233.94 Mb/s 60908
Average results in Japan

139.63 Mb/s

Download Speed

115.5 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 06.01.2021 to 06.07.2021).