ip route add blackhole 103.4.244.0/24
ip route add blackhole 175.100.165.0/24
ip route add blackhole 2401:8500::/32
ip route add blackhole 175.100.164.0/24
ip route add blackhole 175.100.164.0/22
ip route add blackhole 103.4.244.0/22
ip route add blackhole 175.100.167.0/24