whois scraper/harvester (?)

I've been looking for a good whois scraper/harvester.

For a start, I need something that can check 10k specific domains w/o getting blocked every 8-15 records. Or at least can change its ip address after every 5-10 records pulled.

hidemyass.c0m/vpn/ can change my ip every xx minutes. That's as close as i've come to finding a way to do this. But still, xx minutes isn't good enough. I still get blocked. I need to change more frequently than by xx minutes. I need to change by the # of…

whois scraper/harvester (?)