ip route add blackhole 128.216.0.0/20
ip route add blackhole 132.20.251.0/24
ip route add blackhole 131.36.116.0/24
ip route add blackhole 143.140.64.0/21
ip route add blackhole 143.140.70.0/24
ip route add blackhole 132.15.225.0/24
ip route add blackhole 132.15.0.0/16
ip route add blackhole 131.36.0.0/16
ip route add blackhole 132.3.8.0/22
ip route add blackhole 132.20.0.0/16