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 185.11.73.22 on port 45202 TCP:
$ telnet 185.11.73.22 45202
Trying 185.11.73.22…
Connected to 185.11.73.22.
Escape character is ‘^]’
Referencing malware samples:
MD5 a921fba3b4861b0bd353531560bcb9ac