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 3500 TCP:
$ telnet 220.127.116.11 3500
Connected to 18.104.22.168.
Escape character is ‘^]’
Other malicious domain names hosted on this IP address:
augcavite.duckdns.org 22.214.171.124 (resolved via 126.96.36.199)
Referencing malware samples: