Well. I just spent an hour of totally unproductive time with Comcast support, both online and telephone. They suggest having the site administrator check to see if he\\\'s blocking comcast IP addresses.
Some back ground. I have worked as a tech support agent and supervisor for two major ISP\\\'s supporting both dial up and High speed internet. I have troubleshot this from my end. I would bet money that there is a blocked IP table in Comcast NOC that is causing the issue. I have pointed this out to them, to no avail. So for now I would suggest people use a proxy server, just search for it, they\\\'re easy to find and use. Basically you connect to one, it asks for a url, and redirects to it. Works fine, that\\\'s how I\\\'m typing this. The site admin needs to make sure they aren\\\'t blocking Comcast (99% sure they aren\\\'t) and contact their provider to get it resolved. Most likely by the sites host contacting Comcast\\\'s NOC and getting the block removed.
Self edited explitive, I\\\'m glad I no longer work in that industry.
The last thing I want to do is shoot anyone, but it's on the list...