ip route add blackhole 2804:1140:c000::/34
ip route add blackhole 2804:1140::/32
ip route add blackhole 2804:1140::/34
ip route add blackhole 191.241.48.0/23
ip route add blackhole 191.241.48.0/22
ip route add blackhole 2804:1140:8000::/34
ip route add blackhole 2804:1140:4000::/34