It comes to no shock at all. If you are downloading pirated movies using torrents, your data is being recorded along with your IP address.
The Australian Federation Against Copyright Theft (AFACT) have hired experts to monitor all downloader’s of pirated movies.
They are recording every movie that you want, everyone who is sharing it, and everyone that has it on the computer hard drive.
If AFACT contact ISP with a list of IP addresses, and the ISP says that particular IP address is theirs, they will have access to all your person details you gave to your ISP.
This ultimately means, when you download a movie, your actions are being recorded and can be tracked down to your address.
So if you are a heavy movie downloader, just be warned.