iptables -A INPUT -s 108.163.96.0/19 -j DROP
iptables -A INPUT -s 216.147.166.0/24 -j DROP
iptables -A INPUT -s 66.97.231.0/24 -j DROP
iptables -A INPUT -s 66.97.240.0/24 -j DROP
ip6tables -A INPUT -s 2607:fe40::/32 -j DROP
iptables -A INPUT -s 216.147.160.0/19 -j DROP
iptables -A INPUT -s 66.97.224.0/19 -j DROP