The anti-piracy service IProperty collects data based on practical experience in monitoring and removing copyrighted content on the Internet. For 2019, we kept track of the number of complaints sent to webmasters and hosting providers of sites, we act on behalf of the copyright holders, which is why the list of sites contains not only online cinemas, but also file hosting services and other types of Internet resources that involve file exchange.
TOP 50 pirated sites by the number of complaints for 2020:
| Website | Type | Numb of complaints |
| ok.ru | Social network | 137 |
| nnmclub.to | Torrent tracker | 80 |
| nitroflare.com | File sharing | 67 |
| limetorrents.info | Torrent tracker | 47 |
| rutor.info | Torrent tracker | 47 |
| vk.com | Social network | 46 |
| turbobit.net | File sharing | 46 |
| t.me | Messenger | 42 |
| torrentdownloads.me | Torrent tracker | 42 |
| torrentfunk2.com | Torrent tracker | 39 |
| new-rutor.org | Torrent tracker | 38 |
| oxkino.net | Streaming web | 34 |
| torlook.info | Torrent tracker | 34 |
| rapidgator.net | File sharing | 32 |
| zooqle.com | Torrent tracker | 31 |
| skytorrents.org | Torrent tracker | 29 |
| issuu.com | Publishing web | 29 |
| rutor.is | Torrent tracker | 29 |
| nnmclub.ro | Torrent tracker | 28 |
| kinozal.tv | Torrent tracker | 28 |
| hitfile.net | File sharing | 27 |
| uptobox.com | File sharing | 27 |
| torrentfunk.com | Torrent tracker | 26 |
| my.mail.ru | Social network | 26 |
| reddit.com | Social network | 24 |
| yadi.sk | File sharing | 24 |
| pinterest.com | Social network | 23 |
| bt4g.org | Torrent tracker | 237 |
| zfilm-hd.org | Streaming web | 23 |
| zfilm-hd.net | Streaming web | 23 |
| e.issuu.com | Publishing web | 22 |
| torlock.com | Torrent tracker | 21 |
| kinofrank.co | Streaming web | 21 |
| kinozal.me | Torrent tracker | 20 |
| kinokong.org | Streaming web | 19 |
| vanila.org | Torrent tracker | 19 |
| turbo.to | File sharing | 17 |
| 1337x.to | Torrent tracker | 17 |
| katushka5.top | Torrent tracker | 17 |
| video.az | Streaming web | 17 |
| journals-world.ru | Pirate website | 17 |
| tracker.rutor.is | Torrent tracker | 16 |
| rutorc6mqdinc4cz.onion.ly | Torrent tracker | 16 |
| torrentdownload.info | Torrent tracker | 16 |
| nnm-club.me | Torrent tracker | 16 |
| riperam.org | Torrent tracker | 16 |
| uploadgig.com | File sharing | 16 |
| online-serial.net | Streaming web | 15 |
| rutorc6mqdinc4cz.onion.pet | Torrent tracker | 15 |
| torrentz2.eu | Torrent tracker | 15 |