ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 111.221.28.0/24
ipset -A myBlackhole-4 202.89.232.0/21
ipset -A myBlackhole-4 103.36.96.0/22
ipset -A myBlackhole-4 103.255.140.0/22
ipset -A myBlackhole-4 103.255.140.0/23
ipset -A myBlackhole-4 103.25.156.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP