Para bloquear uma faixa de IPs, você deve inserir em seu firewall ou no iptables, o IP inicial seguido do CIDR conforme na tabela:
iptables -A INPUT -s 82.0.0.0/24 -j DROP
| CIDR | Início | Final | Total de IPs |
| 69.208.0.0/0 | 0.0.0.0 | 255.255.255.255 | 4,294,967,296 |
| 69.208.0.0/1 | 0.0.0.0 | 127.255.255.255 | 2,147,483,648 |
| 69.208.0.0/4 | 65.0.0.0 | 79.255.255.255 | 268,435,456 |
| 69.208.0.0/8 | 69.0.0.0 | 69.255.255.255 | 67,108,864 |
| 69.208.0.0/11 | 69.208.0.0 | 69.238.255.255 | 2,197,152 |
| 69.208.0.0/12 | 69.208.0.0 | 69.223.255.255 | 1,048,576 |
| 69.208.0.0/13 | 69.208.0.0 | 69.215.255.255 | 524,288 |
| 69.208.0.0/14 | 69.208.0.0 | 69.211.255.255 | 262,144 |
| 69.208.0.0/15 | 69.208.0.0 | 69.209.255.255 | 131,072 |
| 69.208.0.0/16 | 69.208.0.0 | 69.208.255.255 | 65,536 |
| 69.208.0.0/17 | 69.208.0.0 | 69.208.127.255 | 32,768 |
| 69.208.0.0/18 | 69.208.0.0 | 69.208.63.255 | 16,384 |
| 69.208.0.0/19 | 69.208.0.0 | 69.208.31.255 | 8,192 |
| 69.208.0.0/20 | 69.208.0.0 | 69.208.15.255 | 4,096 |
| 69.208.0.0/21 | 69.208.0.0 | 69.208.7.255 | 2,048 |
| 69.208.0.0/22 | 69.208.0.0 | 69.208.3.255 | 1,024 |
| 69.208.0.0/23 | 69.208.0.0 | 69.208.1.255 | 512 |
| 69.208.0.0/24 | 69.208.0.0 | 69.208.0.255 | 256 |
| 69.208.0.0/25 | 69.208.0.0 | 69.208.0.127 | 128 |
| 69.208.0.0/26 | 69.208.0.0 | 69.208.0.63 | 64 |
| 69.208.0.0/27 | 69.208.0.0 | 69.208.0.31 | 32 |
| 69.208.0.0/28 | 69.208.0.0 | 69.208.0.15 | 16 |
| 69.208.0.0/29 | 69.208.0.0 | 69.208.0.7 | 8 |
| 69.208.0.0/30 | 69.208.0.0 | 69.208.0.3 | 4 |
| 69.208.0.0/31 | 69.208.0.0 | 69.208.0.1 | 2 |
| 69.208.0.0/32 | 69.208.0.0 | 69.208.0.0 | 1 |
