RBL type: IPv4 blacklist
Lookup link: http://spamrats.com/lookup.php
Delisting link: http://spamrats.com/rats-spam.php
Contact link: http://spamrats.com/contact.php
Delisting procedure: First, make sure you read and understand the reason why your IP got blacklisted in the first place, then address and fix the issues, and finally, input your IP address in the delisting form, found on their website, at the delisting link mentioned above.