·Embarq Now Centu..
The website is responsible for downloading the data sent to you browser. The ISP should be responsible for keeping track of the data downloaded from a website and include a list of all IP addresses that downloaded data to you browser by date and time in Hours, Minutes and Seconds.
I do not think that it is unreasonable for customers to ask for usage information by IP address history, if the ISP wants to charge customers for the amount of data up and downloaded.
Your wireless bill normally includes the telephone number of the called or calling telephone, the number of minutes the connection was active and the source of the call.