ip route add blackhole 103.16.62.0/23
ip route add blackhole 103.16.61.0/24
ip route add blackhole 103.16.63.0/24
ip route add blackhole 103.16.62.0/24
ip route add blackhole 103.16.60.0/23
ip route add blackhole 103.16.60.0/24
ip route add blackhole 103.16.60.0/22