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 1912 TCP:
$ telnet 188.8.131.52 1912
Connected to 184.108.40.206.
Escape character is ‘^]’
$ dig +short instantsteupnetwork.ddnsfree.com
Referencing malware samples (MD5 hash):
a71e7046c51e5c2687043a818e044cc9 — AV detection: 51/69 (73.91%)