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
au one net
211.69 Mb/s 152437
328.12 Mb/s 59677
230.19 Mb/s 63414
384.62 Mb/s 79924
K-Opticom Corporation
113.36 Mb/s 52237
258.28 Mb/s 258723
Ntt Docomo
176.81 Mb/s 65600
Softbank BB
174.35 Mb/s 196786
353.33 Mb/s 88277
199.26 Mb/s 37083
Average results in Japan

197.73 Mb/s

Download Speed

151.79 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 05.04.2023 to 05.10.2023).