iptables -A INPUT -s 66.62.75.0/24 -j DROP
iptables -A INPUT -s 162.219.136.0/22 -j DROP
iptables -A INPUT -s 104.151.176.0/20 -j DROP
ip6tables -A INPUT -s 2607:fe98::/32 -j DROP
iptables -A INPUT -s 66.62.70.0/23 -j DROP
iptables -A INPUT -s 66.119.48.0/20 -j DROP