Visit the Spamhaus project (the link is below) that tracks the Internet's worst Spammers. Also located at the Spamhaus Project web site, is ROKSO which collates information and evidence on known hard-line spam operations that have been thrown off a minimum of three consecutive Internet Service Providers for serious spam offenses. You will have to do some searching for the answer
Find out who this IP address belongs to: 139.81.82.0
Using this website: http://www.spamhaus.org