If using an Ambit modem please click here
http://root:root@192.168.100.1/CmOpConfig.asp
If using any other modem click here
http://192.168.100.1/
What I want you to post is the Downstream power levels including the SNR and the Upstream power levels for me thanks.
DO NOT POST YOUR MAC ADDRESS OR SERIAL NUMBER
Also remove your router and connect direct.
Can you also try running a traceroute to
www.google.co.uk and also a ping test as well.