ipset -N myBlackhole-4 hash:net family inet
ipset -N myBlackhole-6 hash:net family inet6
ipset -A myBlackhole-4 204.193.73.0/24
ipset -A myBlackhole-4 204.193.64.0/19
ipset -A myBlackhole-4 204.193.80.0/24
ipset -A myBlackhole-4 204.193.75.0/24
ipset -A myBlackhole-4 204.193.64.0/20
ipset -A myBlackhole-4 204.193.80.0/20
ipset -A myBlackhole-4 204.193.89.0/24
ipset -A myBlackhole-4 204.193.72.0/24
ipset -A myBlackhole-4 204.193.74.0/24
ipset -A myBlackhole-4 204.193.93.0/24
ipset -A myBlackhole-4 204.193.76.0/24
ipset -A myBlackhole-4 204.193.71.0/24
ipset -A myBlackhole-4 204.193.70.0/24
ipset -A myBlackhole-4 204.193.88.0/24
ipset -A myBlackhole-4 204.193.85.0/24
ipset -A myBlackhole-4 204.193.84.0/24
ipset -A myBlackhole-4 204.193.90.0/23
ipset -A myBlackhole-4 204.193.86.0/23
iptables -A INPUT -m set --match-set myBlackhole-4 src -j DROP
ip6tables -A INPUT -m set --match-set myBlackhole-6 src -j DROP