Comcast sent me an email regarding copyrighted content transferred via bittorrent. It looks like they're doing more than managing traffic- they are flat out wiretapping it.

From the Email:

Dear Comcast High-Speed Internet Subscriber:

Comcast has received a notification by a copyright owner, or its authorized agent, reporting an alleged infringement of one or more copyrighted works made on or over Comcast's High-Speed Internet service (the 'Service'). The copyright owner has identified the Internet Protocol ('IP') address associated with your Service account at the time as the source of the infringing works. The works identified by the copyright owner in its notification are listed below. Comcast reminds you that use of the Service (or any part of the Service) in any manner that constitutes an infringement of any copyrighted work is a violation of Comcast's Acceptable Use Policy and may result in the suspension or termination of your Service account.

If you have any questions regarding this notice, you may direct them to Comcast in writing by sending a letter or e-mail to:

              Comcast Legal Response Center
              Comcast Cable Communications, LLC
              650 Centerton Road
              Moorestown, NJ 08057 U.S.A.
              Phone: (856) 317-7272
              Fax: (856) 317-7319
              E-mail: dmca@comcast.net

For more information regarding Comcast's copyright infringement policy, procedures, and contact information, please read our Acceptable Use Policy by clicking on the Terms of Service link at http://www.comcast.net./

Sincerely,
Comcast Legal Response Center

Copyright work(s) identified in the notification of claimed infringement:

Title: Heroes (TV)

Infringement Source: BitTorrent
Initial Infringement Timestamp: 22 Jan 2008 23:48:05 GMT
Recent Infringement Timestamp: 22 Jan 2008 23:48:05 GMT
Infringing Filename: heroes.208.hdtv-lol.[VTV].avi
Infringing File size: 366694400
Infringers IP Address:
Infringers DNS Name:
Infringing URL: http://85.17.42.17:7001/announce