A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!

Details about 201.150.54.139

Country: Brazil (BR)
Reverse: none
Autonomous System Number: AS61699

Lookup results for 201.150.54.139

No specific incidents regarding 201.150.54.139 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.