How fast is the Internet speed in Sumida JP?

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?

Sumida Speed Test

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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? is not a best case scenario connection test and will test your Internet under real world conditions. [read more]

Top ISP Rank

1Internet17 Mbps 12 Mbps 18 Mbps   3 clients took 21 tests recently
2Rakuten Mobile13.9 Mbps 15 Mbps 0.18 Mbps   60 clients took 34 tests recently
3Softbank BB13.2 Mbps 7 Mbps 40 Mbps   53 clients took 5 tests recently
4Asahi Net12.8 Mbps 7 Mbps 20 Mbps   13 clients took 61 tests recently
5au one net11 Mbps 19 Mbps 3 Mbps   10 clients took 2 tests recently
6So-net10 Mbps 14 Mbps 6 Mbps   9 clients took 157 tests recently
7NTT Docomo9.1 Mbps 11 Mbps 7 Mbps   1 clients took 2 tests recently
8JPNE8.9 Mbps 10 Mbps 7 Mbps   8 clients took 3 tests recently
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Do you want to research connection speed of an Internet provider?'s Download Speed Test and Upload Speed Test log connection information to allow users to research real world Internet speed test results.'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 JP.

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