Hi again,
Let me ask for some better help for you that is familiar with this problem (if in fact it is a similar problem with the IP address and your ISP.
The other topic concerning this can be found at:
http://discussions.apple.com/thread.jspa?threadID=2725608
It is a somewhat lengthy thread but may just apply to your situation.
Anyways I will see if I can call on some better help for you. Hang in there. Best to arm yourself with enough info before contacting Comcast so they might know what you are dealing with fully.
littleshouders 🙂
edit: I have posted for some extra help for you that may have a better idea of what's going on if it
is your ISP and their modem and how it handles the IP address causing Safari and iTunes not to connect. Hang in there it may take awhile but I'm sure someone will pop in to help.
Message was edited by: littleshoulders