iptables -A INPUT -s 66.114.76.0/24 -j DROP
iptables -A INPUT -s 216.16.144.0/20 -j DROP
iptables -A INPUT -s 199.89.147.0/24 -j DROP
iptables -A INPUT -s 66.114.64.0/19 -j DROP
ip6tables -A INPUT -s 2606:8800::/32 -j DROP
iptables -A INPUT -s 72.0.224.0/20 -j DROP