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 20.124.183.185 on port 26457 TCP:
$ telnet 20.124.183.185 26457
Trying 20.124.183.185…
Connected to 20.124.183.185.
Escape character is ‘^]’
Referencing malware samples:
MD5 a43b17ac461d2eee6153710850346200