ip route add blackhole 201.77.10.0/23
ip route add blackhole 2804:2264::/32
ip route add blackhole 201.77.12.0/23
ip route add blackhole 201.77.10.0/24
ip route add blackhole 201.77.14.0/23
ip route add blackhole 201.77.8.0/21
ip route add blackhole 201.77.8.0/23