iptables -A INPUT -s 142.89.128.0/17 -j DROP
iptables -A INPUT -s 142.158.128.0/17 -j DROP
iptables -A INPUT -s 142.89.0.0/16 -j DROP
iptables -A INPUT -s 142.158.0.0/16 -j DROP
iptables -A INPUT -s 142.158.0.0/17 -j DROP
iptables -A INPUT -s 142.89.0.0/17 -j DROP