ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 103.21.45.0/24
ipset -A myBlackhole-4 103.234.102.0/24
ipset -A myBlackhole-4 103.21.44.0/22
ipset -A myBlackhole-4 103.21.44.0/24
ipset -A myBlackhole-4 103.21.47.0/24
ipset -A myBlackhole-4 103.234.103.0/24
ipset -A myBlackhole-4 103.234.100.0/22
ipset -A myBlackhole-4 103.21.46.0/24
ipset -A myBlackhole-4 103.234.101.0/24
ipset -A myBlackhole-4 103.234.100.0/24
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP