ip route add blackhole 103.8.27.0/24
ip route add blackhole 163.47.203.0/24
ip route add blackhole 163.47.200.0/24
ip route add blackhole 163.47.202.0/24
ip route add blackhole 103.8.25.0/24
ip route add blackhole 103.8.26.0/24
ip route add blackhole 103.8.24.0/24
ip route add blackhole 163.47.201.0/24