iptables -A INPUT -s 195.170.224.0/19 -j DROP
iptables -A INPUT -s 62.61.0.0/21 -j DROP
iptables -A INPUT -s 195.170.240.0/20 -j DROP
iptables -A INPUT -s 62.61.0.0/20 -j DROP
iptables -A INPUT -s 195.170.224.0/20 -j DROP
iptables -A INPUT -s 62.61.8.0/21 -j DROP