ip route add blackhole 177.155.236.0/24
ip route add blackhole 177.155.232.0/21
ip route add blackhole 177.155.234.0/24
ip route add blackhole 177.155.234.0/23
ip route add blackhole 177.155.237.0/24
ip route add blackhole 177.155.232.0/24
ip route add blackhole 177.155.233.0/24
ip route add blackhole 177.155.238.0/23
ip route add blackhole 177.155.232.0/23
ip route add blackhole 177.155.235.0/24
ip route add blackhole 2804:1024::/32
ip route add blackhole 177.155.236.0/23