ip route add blackhole 186.232.238.0/24
ip route add blackhole 186.232.232.0/24
ip route add blackhole 186.232.234.0/24
ip route add blackhole 186.232.236.0/24
ip route add blackhole 186.232.239.0/24
ip route add blackhole 186.232.237.0/24
ip route add blackhole 186.232.233.0/24
ip route add blackhole 186.232.235.0/24
ip route add blackhole 186.232.232.0/21