iptables -A INPUT -s 49.247.128.0/17 -j DROP
iptables -A INPUT -s 115.68.0.0/17 -j DROP
iptables -A INPUT -s 49.247.0.0/16 -j DROP
iptables -A INPUT -s 49.247.0.0/17 -j DROP
iptables -A INPUT -s 115.68.128.0/17 -j DROP
iptables -A INPUT -s 115.68.0.0/16 -j DROP