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 91.224.22.142 on port 443:
$ telnet 91.224.22.142 443
Trying 91.224.22.142…
Connected to 91.224.22.142.
Escape character is ‘^]’
Malicious domains observed on this IP address:
biopiof.at. 600 IN A 91.224.22.142
bonesofthegreatgoose.com. 600 IN A 91.224.22.142
greygoodbones.com. 600 IN A 91.224.22.142
microsoftsofymicrosoftsoft.at. 600 IN A 91.224.22.142
protozerg.com. 600 IN A 91.224.22.142