iptables -A INPUT -s 43.230.120.0/22 -j DROP
iptables -A INPUT -s 103.49.168.0/22 -j DROP
iptables -A INPUT -s 103.85.240.0/22 -j DROP
iptables -A INPUT -s 116.204.154.0/23 -j DROP
iptables -A INPUT -s 119.15.154.0/23 -j DROP
ip6tables -A INPUT -s 2401:ff80::/32 -j DROP