We believe that it's a conflict of interest when Internet service providers operate their own speed tests. A third party opinion is necessary and the provider shouldn't be allowed anywhere near the process. When providers host their own speed tests they eliminate the variables that you're here to test. Namely the Internet route itself. This test is unbiased, it tests and grades all providers on the same criteria. They want you to think your connection is running perfectly... but is it really?
Test My Download Speed Test My Upload Speed
Do you want to research connection speed for Japan (JP)? TestMy.net's Download Speed Test and Upload Speed Test log connection information to allow users to research real world Internet speed test results. TestMy.net's speed test database stores information on millions of Internet connections. This tool can average connection speed for any Internet provider, country or city in the world. So you can easily average speed test results, compare maximum speeds, research logged results and find the fastest ISPs for Japan (JP).
Top ISP Rank in Japan |
| 1 | J:COM | 164.6 Mbps 259 Mbps 24 Mbps 199 clients took 182 tests recently |
| 2 | Asahi Net | 128.2 Mbps 142 Mbps 104 Mbps 197 clients took 243 tests recently |
| 3 | So-net | 109.3 Mbps 119 Mbps 83 Mbps 525 clients took 389 tests recently |
| 4 | Internet | 93.7 Mbps 129 Mbps 52 Mbps 184 clients took 195 tests recently |
| 5 | NTT | 89.1 Mbps 111 Mbps 44 Mbps 767 clients took 714 tests recently |
| 6 | M247 Europe | 61.9 Mbps 74 Mbps 34 Mbps 88 clients took 295 tests recently |
| 7 | Rakuten Mobile | 61.6 Mbps 93 Mbps 27 Mbps 198 clients took 534 tests recently |
| 8 | NTT Docomo | 56.7 Mbps 86 Mbps 9 Mbps 279 clients took 461 tests recently |
| 9 | au one net | 55.1 Mbps 117 Mbps 11 Mbps 2112 clients took 4425 tests recently |
| 10 | xTom | 53.9 Mbps 63 Mbps 30 Mbps 95 clients took 442 tests recently |
| 11 | Datacamp | 53.3 Mbps 66 Mbps 30 Mbps 149 clients took 1148 tests recently |
| 12 | SoftBank Corp. | 48.2 Mbps 58 Mbps 26 Mbps 427 clients took 1653 tests recently |
| 13 | Internet | 38.1 Mbps 34 Mbps 42 Mbps 183 clients took 286 tests recently |
| 14 | iCloud Private | 27.9 Mbps 28 Mbps 6 Mbps 143 clients took 371 tests recently |
| 15 | Starlink | 11.6 Mbps 25 Mbps 4 Mbps 109 clients took 209 tests recently |
Real Speed Test
Other speed tests, especially tests offered by your Internet provider try to eliminate routing factors. This can make your connection appear faster than it really is. If you visit many websites in the North America, Europe, Australia or Asia the results returned here will be a more realistic representation of your useable connection. Truthfully, do you want to know how fast your connection is within your providers network or do you want to know how fast it is to the locations where the websites you visit are being hosted? TestMy.net is not a best case scenario connection test and will test your Internet under real world conditions. [read more] [hide text]