Softbank BB Speed Test

Softbank BB is an internet service provider which operates in Japan. Currently it ranks on the place 2 from 437 providers in Japan.

Average results for Softbank BB

129.11 Mb/s

Download Speed

68.75 Mb/s

Upload Speed

53 ms

Ping Latency

Softbank BB coverage

You can get Internet access in Kagoshima, Fukuoka, Tokyo, Nagoya, Hiroshima, Niigata, Osaka, Kumamoto, Sendai, Sapporo, and other cities within Japan.

Most popular ISPs in Japan

Provider Name	Download Speed	Number of Tests
NTT	283.78 Mb/s	436794
au one net	215.23 Mb/s	124920
KDDI	438.14 Mb/s	61359
Biglobe	306.45 Mb/s	52743
So-net	425.42 Mb/s	52278
Ntt Docomo	132.32 Mb/s	50037
J:COM	257.94 Mb/s	42268
K-Opticom Corporation	183.18 Mb/s	37504
Rakuten Mobile Network	87.47 Mb/s	32085
JPNE	384.75 Mb/s	29361

Looking for more detailed information? Check our crowdsourced data

The download, upload and ping test will be performed to the closest server available near your location. This will mean that test will also be influenced by other factors such as quality of interconnection of Softbank BB with Internet backbone. This test is more relevant to assess real Internet connection quality than ISP sponsored test since those typically test against a server within the ISP and do not test real Internet speed.

Results based on tests in last 6 months (from 01.01.2024 to 01.07.2024).