If you're a Comcast customer and come home to find yourself without Internet, you're not alone. Quite a few customers have learned that they have Comcast Internet down on this lovely day. According to the Comcast  statements, an inventory audit was recently performed which resulted in some customers' equipment being deleted from their databases.  Since Comcast secures their networks in part by assigning a device (one very specific cable modem) to a port (a very specific address), if yours isn't on file you can't connect - even though all the lights on your cable modem, wireless access points and other [...]