iptables -A INPUT -s 104.237.160.0/19 -j DROP
iptables -A INPUT -s 216.239.60.0/24 -j DROP
iptables -A INPUT -s 208.117.224.0/19 -j DROP
iptables -A INPUT -s 64.15.112.0/20 -j DROP
iptables -A INPUT -s 208.65.152.0/22 -j DROP
ip6tables -A INPUT -s 2001:4860:4805::/48 -j DROP
ip6tables -A INPUT -s 2620:11a:a000::/40 -j DROP