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
36,14 Mb/s 643
ARTERIA Networks Corporation
25,31 Mb/s 929
30,12 Mb/s 595
Internet Initiative Japan
23,08 Mb/s 590
Kddi Corporation
29,78 Mb/s 3649
NTT DoCoMo,Inc.
26,54 Mb/s 765
Open Computer Network
36,4 Mb/s 2414
Rakuten Communications Corp.
13,08 Mb/s 598
Softbank BB
28,23 Mb/s 2947
Sony Network Communications
36,83 Mb/s 1571
Average results in Japan

30,47 Mb/s

Download Speed

28,02 Mb/s

Upload Speed

Top 10 - Fastest ISPs in Japan
Total speed tests in Japan
What is a speed test result in Japan?

Results based on tests in last 6 months (from 01-11-2017 to 30-04-2018).