The host at this IP address 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 at 198.244.224.100 on port 443.
$ telnet 198.244.224.100 443
Trying 198.244.224.100…
Connected to 198.244.224.100.
Escape character is ‘^]’
Malicious domains observed at this IP address:
amazinginvezt.org. 60 IN A 198.244.224.100
btc-es.net. 60 IN A 198.244.224.100
btc-es.org. 60 IN A 198.244.224.100
btcbill.net. 60 IN A 198.244.224.100
btcbill.org. 60 IN A 198.244.224.100
crypt-invezt.net. 60 IN A 198.244.224.100
gas-invest.com. 60 IN A 198.244.224.100
gazivest.net. 60 IN A 198.244.224.100
investgas.net. 60 IN A 198.244.224.100
nbk-invest.org. 60 IN A 198.244.224.100
obszhee-delo.org. 60 IN A 198.244.224.100
plan2-live.org. 60 IN A 198.244.224.100
pr-invest.org. 60 IN A 198.244.224.100
success-finance.org. 60 IN A 198.244.224.100
ultra-signals.com. 60 IN A 198.244.224.100