ip route add blackhole 2804:c20::/32
ip route add blackhole 177.67.238.0/23
ip route add blackhole 143.0.116.0/22
ip route add blackhole 177.67.234.0/23
ip route add blackhole 177.67.232.0/21
ip route add blackhole 177.67.236.0/23
ip route add blackhole 177.67.232.0/23