MPAA/RIAA did this a lot when suing downloaders. They'd sue based on IP addresses, so the complaint would be against 50 John Does.
http://ia700401.us.archive.org/35/items/gov.uscourts.cand.23...
MPAA/RIAA did this a lot when suing downloaders. They'd sue based on IP addresses, so the complaint would be against 50 John Does.