ip route add blackhole 2401:f5c0::/48
ip route add blackhole 103.103.145.0/24
ip route add blackhole 103.103.147.0/24
ip route add blackhole 103.103.146.0/24
ip route add blackhole 2401:f5c0:1::/48
ip route add blackhole 103.103.144.0/24
ip route add blackhole 2401:f5c0:2::/48