That site has been fockered up for weeks now. Some big redesign didn't go so well. Just look @ their twit feed.
It's a PITA - for awhile the removal page was "sorta" available, but didn't work. Now they've just taken it offline for awhile. Pathetic.
On the OP - anyone know how widespread their database is being used, and what sort of markets use it to block IP's? I'm curious.