We'll get you logged in, so help me
Most routers use a default WiFi network name (SSID) that is hard to identify and remember.
Routers provided by Internet Service Providers often come with really long and hard-to-remember WiFi passwords.
There are many reasons you might want to access your Comcast router. For instance, you may want to change your wireless password or set up port forwarding for a project you are working on.