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
45 Mb/s 56055
ARTERIA Networks Corporation
38,51 Mb/s 35697
au one net
38,95 Mb/s 144280
Biglobe
34,26 Mb/s 50433
Kddi Corporation
34,36 Mb/s 120745
K-Opticom Corporation
24,28 Mb/s 46344
NTT
45,88 Mb/s 143026
Open Computer Network
35,98 Mb/s 101112
Softbank BB
34,62 Mb/s 247758
Sony Network Communications
45,92 Mb/s 75035
Average results in Japan

49,9 Mb/s

Download Speed

39,27 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 18-03-2018 to 18-09-2018).