iptables -A INPUT -s 198.214.250.0/23 -j DROP
iptables -A INPUT -s 198.214.80.0/20 -j DROP
iptables -A INPUT -s 198.213.192.0/18 -j DROP
iptables -A INPUT -s 128.62.0.0/16 -j DROP
iptables -A INPUT -s 206.76.64.0/18 -j DROP
iptables -A INPUT -s 128.83.0.0/16 -j DROP
iptables -A INPUT -s 146.6.0.0/16 -j DROP
iptables -A INPUT -s 129.116.0.0/16 -j DROP