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 20.203.136.95 on port 50933 TCP:
$ telnet 20.203.136.95 50933
Trying 20.203.136.95…
Connected to 20.203.136.95.
Escape character is ‘^]’
Referencing malware samples:
MD5 d30ace93aad24d5e32a2ef10741df644