ip route add blackhole 102.68.80.0/21
ip route add blackhole 102.68.96.0/23
ip route add blackhole 169.255.56.0/23
ip route add blackhole 2c0f:f598::/46
ip route add blackhole 2c0f:f598:5::/48
ip route add blackhole 2c0f:f598:6::/47
ip route add blackhole 2c0f:f598:8::/47