• 83.244.251.208/28 is listed on the Spamhaus Block List – SBL
• 155.64.49.0/32 is listed on the Spamhaus Block List – SBL
• 109.108.140.110/32 is listed on the Spamhaus Block List – SBL
• smiconferences.co.uk is listed in the DBL

Scientific Spam has had an IP in 83.244.251.208/28 listed since 20150710, and the rest since December 2015.