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 184.108.40.206 on port 30921 TCP:
$ telnet 220.127.116.11 30921
Connected to 18.104.22.168.
Escape character is ‘^]’
Referencing malware samples: