apt-cache policy vlc
vlc:
  Installed: 1.1.3-1squeeze6
  Candidate: 1.1.3-1squeeze6
  Version table:
 *** 1.1.3-1squeeze6 0
        500 ftp://mirrors.rackhosting.com/debian/ squeeze/main amd64 Packages
        500 http://security.debian.org/ squeeze/updates/main amd64 Packages
        100 /var/lib/dpkg/status