ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 200.19.80.0/21
ipset -A myBlackhole-4 200.136.128.0/19
ipset -A myBlackhole-4 200.144.104.0/21
ipset -A myBlackhole-4 200.136.96.0/21
ipset -A myBlackhole-4 200.136.112.0/20
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP