iptables -A INPUT -s 96.45.64.0/20 -j DROP
iptables -A INPUT -s 66.199.224.0/20 -j DROP
iptables -A INPUT -s 64.29.184.0/21 -j DROP
iptables -A INPUT -s 216.150.64.0/19 -j DROP
iptables -A INPUT -s 72.9.96.0/20 -j DROP
iptables -A INPUT -s 216.169.96.0/19 -j DROP