Wireless device has routing issues

On multiple computers, tablets and phones my leased xfinity device is not able to properly connect to the internet. The internet that it does connect to is google or youtube. I have tried multiple solutions and it all points to the leased equipment.

I am humbly asking Comcast to provide me with support. Restarting my modem is NOT the solution and as college and work arrive next week I do not have the time to reset my modem or renew my IP address everytime one of my devices doesn't work.