The likes of Justin Bieber and AC/DC can rest easy after the Federal Court kicked the rear end of one of the world's most popular pirate downloading sites.

Domains tied to torrent sharing service Kick Ass Torrents will be blocked in the next two weeks after the Federal Court handed down orders blocking the sites.

Universal Music listed Justin Bieber as one of the victims of Kick Ass Torrents' copyright breach. Credit:Ian Gavan

Kick Ass Torrents' sites receive millions of visits a month from Australian users and its breach of copyright was described as "flagrant" by Federal Court judge Stephen Burley in a judgment handed down late on Friday.

The orders came after the Australian arms of Universal Music, Australian Music Corporation, Sony Music Entertainment, Warner Music as well as the Australasian Performing Right Association, some of the world's biggest music groups, teamed up to stamp out illegal downloads across the sites last year.