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 220.127.116.11 on port 5621 TCP:
$ telnet 18.104.22.168 5621
Connected to 22.214.171.124.
Escape character is ‘^]’
Referencing malware samples: