ip route add blackhole 103.145.194.0/23
ip route add blackhole 103.145.194.0/24
ip route add blackhole 103.145.195.0/24
ip route add blackhole 103.10.148.0/22
ip route add blackhole 103.90.250.0/23
ip route add blackhole 103.90.251.0/24
ip route add blackhole 103.90.250.0/24
ip route add blackhole 103.145.198.0/23