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
|
211.69 Mb/s | 152437 |
|
Biglobe
|
328.12 Mb/s | 59677 |
|
J:COM
|
230.19 Mb/s | 63414 |
|
KDDI
|
384.62 Mb/s | 79924 |
|
K-Opticom Corporation
|
113.36 Mb/s | 52237 |
|
NTT
|
258.28 Mb/s | 258723 |
|
Ntt Docomo
|
176.81 Mb/s | 65600 |
|
Softbank BB
|
174.35 Mb/s | 196786 |
|
So-net
|
353.33 Mb/s | 88277 |
|
VECTANT
|
199.26 Mb/s | 37083 |
Average results in Japan
197.73 Mb/s
Download Speed
151.79 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 05.04.2023 to 05.10.2023).