ip route add blackhole 194.46.136.0/21
ip route add blackhole 194.46.156.0/22
ip route add blackhole 194.46.132.0/22
ip route add blackhole 194.46.144.0/22
ip route add blackhole 194.46.128.0/22
ip route add blackhole 194.46.126.0/23
ip route add blackhole 194.46.148.0/22