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
|
270.46 Mb/s | 100402 |
|
Biglobe
|
352.45 Mb/s | 39771 |
|
J:COM
|
264.21 Mb/s | 33747 |
|
KDDI
|
367.42 Mb/s | 49553 |
|
K-Opticom Corporation
|
332 Mb/s | 27534 |
|
NTT
|
436.44 Mb/s | 414284 |
|
Ntt Docomo
|
109.32 Mb/s | 39142 |
|
Rakuten Mobile Network
|
54.63 Mb/s | 29243 |
|
Softbank BB
|
246.7 Mb/s | 116163 |
|
So-net
|
449.24 Mb/s | 38088 |
Average results in Japan
208.15 Mb/s
Download Speed
171.81 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 08.04.2024 to 08.10.2024).