ip route add blackhole 200.152.232.0/22
ip route add blackhole 200.152.236.0/24
ip route add blackhole 200.152.224.0/20
ip route add blackhole 200.152.239.0/24
ip route add blackhole 200.152.237.0/24
ip route add blackhole 200.152.238.0/24
ip route add blackhole 200.152.224.0/21