This small tool will give you an estimate of the maximum speed your line can support. You will need to obtain the "Downstream Attenuation" and "Downstream Noise Margin (SNR)" figures to continue. These can be obtained from your modem/router configuration pages.

Please NOTE: If you are already on the 8Mb Max service, there is no point in using this checker. It is only for people on 512Kb - 2Mb.