A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 201.75.72.191
Country: Brazil (BR)
Reverse: c94b48bf.virtua.com.br
Autonomous System Number: AS28573
Lookup results for 201.75.72.191
No specific incidents regarding 201.75.72.191 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.