A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 188.255.172.238
Country: Serbia (RS)
Reverse: free-172-238.mediaworksit.net
Autonomous System Number: AS9125
Lookup results for 188.255.172.238
No specific incidents regarding 188.255.172.238 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.