ip route add blackhole 202.177.64.0/18
ip route add blackhole 202.177.64.0/19
ip route add blackhole 202.177.80.0/20
ip route add blackhole 202.177.96.0/19
ip route add blackhole 2400:99a0::/32
ip route add blackhole 202.177.64.0/20
ip route add blackhole 202.177.112.0/20
ip route add blackhole 202.177.96.0/20