The host at this IP address is obviously operated by cybercriminals. It is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller located at 20.80.51.178 on port 2222 TCP:
$ telnet 20.80.51.178 2222
Trying 20.80.51.178…
Connected to 20.80.51.178.
Escape character is ‘^]’
$ dig +short resereved.nerdpol.ovh
20.80.51.178
Referencing malware samples:
MD5 54faaed812e457e0ca69236464570024
MD5 b9af21495c0918c48a3b6af9d2683598