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iptables -A INPUT -s 65.111.32.0/20 -j DROP
iptables -A INPUT -s 192.119.144.0/20 -j DROP
iptables -A INPUT -s 74.206.32.0/21 -j DROP
iptables -A INPUT -s 69.161.38.0/24 -j DROP
iptables -A INPUT -s 69.161.48.0/20 -j DROP