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 126.96.36.199 on port 7121 TCP:
$ telnet 188.8.131.52 7121
Connected to 184.108.40.206.
Escape character is ‘^]’
Referencing malware samples: