iptables -A INPUT -s 103.57.122.0/24 -j DROP
iptables -A INPUT -s 103.57.121.0/24 -j DROP
iptables -A INPUT -s 45.117.60.0/24 -j DROP
iptables -A INPUT -s 103.57.123.0/24 -j DROP
iptables -A INPUT -s 103.57.120.0/24 -j DROP
iptables -A INPUT -s 45.117.61.0/24 -j DROP
iptables -A INPUT -s 103.57.120.0/22 -j DROP
iptables -A INPUT -s 45.117.60.0/22 -j DROP