Huh, interesting that he got such a breakdown from his ISP. I wonder how difficult it is to get that data without his kind of circumstance. Can I ask my ISP for it? Would they bother?
In this case though, it shouldn't be prohibitively expensive to obtain, as it forms the foundation for tracking the use of your data plan. If it was prohibitively expensive to obtain, they wouldn't be able to tell you, when you hit your data cap.
I have cropped the first few results only to show what’s relevant