route 103.246.200.0/22 blackhole;
route 74.82.64.0/19 blackhole;
route 68.171.224.0/19 blackhole;
route 203.104.152.0/22 blackhole;
route 203.104.144.0/21 blackhole;
route 203.104.128.0/20 blackhole;
route 193.105.213.36/30 blackhole;
route 185.104.45.0/24 blackhole;
route 178.239.88.0/21 blackhole;