Hacker News new | ask | show | jobs
by nitwit005 2116 days ago
> He also periodically tries to re-register from the same home IP once a month claiming to be a new account and why is he getting banned? and etc.

I'd be tempted to try to trick them into telling you their personal information if they're doing that. Create a page that pops up only for that IP that asks for name/address for a prize give away or something.