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 | 166.5 Mbps 256 Mbps 25 Mbps 203 clients took 192 tests recently |
| 2 | Asahi Net | 131.9 Mbps 147 Mbps 106 Mbps 199 clients took 254 tests recently |
| 3 | So-net | 110.2 Mbps 121 Mbps 82 Mbps 531 clients took 395 tests recently |
| 4 | NTT | 91.6 Mbps 113 Mbps 46 Mbps 777 clients took 718 tests recently |
| 5 | Internet | 83.9 Mbps 115 Mbps 46 Mbps 187 clients took 189 tests recently |
| 6 | Rakuten Mobile | 81.3 Mbps 128 Mbps 31 Mbps 208 clients took 730 tests recently |
| 7 | M247 Europe | 63.2 Mbps 76 Mbps 35 Mbps 90 clients took 312 tests recently |
| 8 | xTom | 55.6 Mbps 65 Mbps 32 Mbps 94 clients took 454 tests recently |
| 9 | NTT Docomo | 55.6 Mbps 85 Mbps 9 Mbps 278 clients took 473 tests recently |
| 10 | au one net | 55.5 Mbps 118 Mbps 11 Mbps 2120 clients took 4409 tests recently |
| 11 | Datacamp | 53.1 Mbps 66 Mbps 30 Mbps 151 clients took 1163 tests recently |
| 12 | SoftBank Corp. | 48.9 Mbps 59 Mbps 26 Mbps 443 clients took 1675 tests recently |
| 13 | Internet | 38.8 Mbps 35 Mbps 43 Mbps 184 clients took 282 tests recently |
| 14 | iCloud Private | 30.5 Mbps 31 Mbps 6 Mbps 144 clients took 310 tests recently |
| 15 | Starlink | 11.8 Mbps 25 Mbps 4 Mbps 109 clients took 210 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]