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
|
262.49 Mb/s | 96033 |
|
Biglobe
|
346.91 Mb/s | 38619 |
|
J:COM
|
268.17 Mb/s | 28655 |
|
JPNE
|
378.22 Mb/s | 25393 |
|
KDDI
|
351.32 Mb/s | 48507 |
|
NTT
|
447.48 Mb/s | 396555 |
|
Ntt Docomo
|
121.69 Mb/s | 34974 |
|
Rakuten Mobile Network
|
58.1 Mb/s | 30336 |
|
Softbank BB
|
249.2 Mb/s | 110315 |
|
So-net
|
439.88 Mb/s | 33561 |
Average results in Japan
216.76 Mb/s
Download Speed
177.85 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 03.07.2024 to 03.01.2025).