ip route add blackhole 2804:49c:3110::/48
ip route add blackhole 2804:49c:31ff::/48
ip route add blackhole 2804:49c:319::/48
ip route add blackhole 2804:49c:3101::/48
ip route add blackhole 2804:49c:3102::/48
ip route add blackhole 2804:49c:3106::/48
ip route add blackhole 2804:49c:3104::/48