Board Thread:Support Requests - Designing Your Wiki/@comment-47054331-20201004035447/@comment-34888194-20201004165418

Well, for autoblocked IP, a user (assuming they aren't a sock of the blocked user) can still contact local admin about the autoblocked IP and the admin should be able to remove autoblocks by going to the Special:BlockList and unblock the autoblocked ID. The block length of autoblock is 24 hours.