from what I've read it's nearly impossible to get unlisted for good from spamhaus.org. they have a habit of relisting things over and over again and then after you'd unlisted yourself like 20 times they will permanently list you and you can't be unlisted ever again. which means these next 2-3 weeks of me visiting family in Atlanta are going to suck ass since I will after a week or so probably not be able to unlist the IPs anymore.

the thing that bothers me the most is that spamhaus is for email spammers, it isn't exactly compatible with MineCraft so I don't see why it's being used at all.