Latest reply below, hopefully this will be resolved within 24 hours now.
Thank you for your delisting request SRX1175439215ID. Your ticket was
received on (Apr 20 2012 11:10 AM UTC) and will be responded to within
Our team will investigate the IP address that you have requested to be
removed from our blocklist. If for any reason we are not able to remove
your IP address, one of our technical support representatives will
respond to you with additional information.