iptables -A INPUT -s 173.229.128.0/17 -j DROP
iptables -A INPUT -s 72.37.0.0/17 -j DROP
iptables -A INPUT -s 167.132.0.0/16 -j DROP
iptables -A INPUT -s 198.47.128.0/17 -j DROP
iptables -A INPUT -s 69.58.192.0/18 -j DROP
iptables -A INPUT -s 45.54.128.0/17 -j DROP
iptables -A INPUT -s 67.206.0.0/18 -j DROP