iptables -A INPUT -s 103.96.242.0/23 -j DROP
iptables -A INPUT -s 103.96.243.0/24 -j DROP
ip6tables -A INPUT -s 2001:df1:4200::/48 -j DROP
iptables -A INPUT -s 103.212.41.0/24 -j DROP
iptables -A INPUT -s 103.96.242.0/24 -j DROP
iptables -A INPUT -s 103.96.248.0/24 -j DROP