ip route add blackhole 159.215.40.0/24
ip route add blackhole 198.202.137.0/24
ip route add blackhole 159.215.20.0/22
ip route add blackhole 159.215.32.0/21
ip route add blackhole 159.215.48.0/24
ip route add blackhole 159.215.12.0/22
ip route add blackhole 159.215.24.0/22
ip route add blackhole 159.215.41.0/24