This week users of popular torrent sites found that they could no longer access them using their VPN. Speaking with TorrentFreak the operator of one of the affected sites revealed that the IP ranges of a popular VPN provider had been banned after they were used for massive anti-piracy activities. Using a VPN for copyright enforcement is apparently quite common.
Source: TorrentFreak, for the latest info on copyright, file-sharing, torrent sites and ANONYMOUS VPN services.