Note down the IP of the router. Look in the address bar of your browser and note down the IP.
Go to advanced routing in the left menu
Add an entry in the advanced routing by clicking the add button. Make sure the setup looks like this:
Destination IP Address: 8.8.8.8
Subnet Mask: 255.255.255.255
Default gateway: The IP you noted down in step 2.
Status: Enabled
Please repeat the steps above for the destination IP 8.8.4.4