ip route add blackhole 177.84.242.0/23
ip route add blackhole 177.84.240.0/22
ip route add blackhole 177.84.240.0/23
ip route add blackhole 177.84.246.0/23
ip route add blackhole 177.84.240.0/21
ip route add blackhole 177.84.244.0/22
ip route add blackhole 2804:68c::/32
ip route add blackhole 177.84.244.0/23