Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
This wont speed up your modem, its more meant for bypassing your speed limit, which if you get caught will get your internet access removed.
If you still wish to go ahead, you need to have the firmware designed for your cable modem model, so look at the firmware section on the website, and see if you have a surfboard listed.