iptables -A INPUT -s 103.97.78.0/24 -j DROP
iptables -A INPUT -s 103.97.79.0/24 -j DROP
iptables -A INPUT -s 103.97.77.0/24 -j DROP
ip6tables -A INPUT -s 2401:8440:31::/48 -j DROP
ip6tables -A INPUT -s 2401:8440:231::/48 -j DROP
iptables -A INPUT -s 103.97.76.0/24 -j DROP
ip6tables -A INPUT -s 2401:8440:131::/48 -j DROP
ip6tables -A INPUT -s 2401:8440:311::/48 -j DROP
ip6tables -A INPUT -s 2401:8440::/32 -j DROP