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
166.4 Mb/s 171247
Biglobe
298.98 Mb/s 76944
J:COM
180.51 Mb/s 53839
JPNE
351.37 Mb/s 56978
KDDI
312.99 Mb/s 72216
NTT
232.84 Mb/s 261846
Ntt Docomo
73.69 Mb/s 65483
Softbank BB
164.76 Mb/s 231353
So-net
311.63 Mb/s 120456
VECTANT
212.1 Mb/s 63638
Average results in Japan

162.79 Mb/s

Download Speed

136.88 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 05.10.2021 to 05.04.2022).