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 City we track coverage
Browse by ISP we track coverage
| Provider Name | Download Speed | Number of Tests |
|---|---|---|
|
au one net
|
215.23 Mb/s | 124920 |
|
Biglobe
|
306.45 Mb/s | 52743 |
|
J:COM
|
257.94 Mb/s | 42268 |
|
KDDI
|
438.14 Mb/s | 61359 |
|
K-Opticom Corporation
|
183.18 Mb/s | 37504 |
|
NTT
|
283.78 Mb/s | 436794 |
|
Ntt Docomo
|
132.32 Mb/s | 50037 |
|
Rakuten Mobile Network
|
87.47 Mb/s | 32085 |
|
Softbank BB
|
129.11 Mb/s | 143723 |
|
So-net
|
425.42 Mb/s | 52278 |
Average results in Japan
205.13 Mb/s
Download Speed
159.42 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 01.01.2024 to 01.07.2024).