iptables -A INPUT -s 143.248.119.96/27 -j DROP
iptables -A INPUT -s 137.68.0.0/18 -j DROP
iptables -A INPUT -s 192.249.16.0/20 -j DROP
iptables -A INPUT -s 143.248.119.0/27 -j DROP
iptables -A INPUT -s 210.107.128.0/20 -j DROP
iptables -A INPUT -s 143.248.117.0/28 -j DROP
iptables -A INPUT -s 143.248.0.0/16 -j DROP
iptables -A INPUT -s 143.248.119.88/29 -j DROP