255
60% of Lemmy-instances blocks Threads.net
(lemmy.sambands.net)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
I'd be happy to update it with more correct information if you can find more accurate numbers.
From https://fedipact.veganism.social/ the largest instances in order of active users are:
They are probably mean including mastodon, which is larger and generally federates with threads