Cheat Sheet Sub redes IPv4

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 \\ CheatSheet DlteC - TODAS as Possíveis Sub-Redes IPv4 
Legendas 
(*) Máscara de Host 
(**) RFC 3021 
SRs Sub-Redes 
Empr Emprestados 
Hosts - Classe e/ou CIDR CIDR - Classless Sub-redes Classes A, B e C - Classful/Sub-rede/VLSM 
Total de Hosts Hosts Válidos Prefixo Máscara de Sub-Rede 
A B C 
Bits Empr Qtdade SRs Bits Empr Qtdade SRs Bits Empr Qtdade SRs 
1 1 (*) /32 255.255.255.255 24 16777216 16 65536 8 256 
2 2 (**) /31 255.255.255.254 23 8388608 15 32768 7 128 
4 2 /30 255.255.255.252 22 4194304 14 16384 6 64 
8 6 /29 255.255.255.248 21 2097152 13 8192 5 32 
16 14 /28 255.255.255.240 20 1048576 12 4096 4 16 
32 30 /27 255.255.255.224 19 524288 11 2048 3 8 
64 62 /26 255.255.255.192 18 262144 10 1024 2 4 
128 126 /25 255.255.255.128 17 131072 9 512 1 2 
256 254 /24 255.255.255.0 16 65536 8 256 
 
512 510 /23 255.255.254.0 15 32768 7 128 
1024 1022 /22 255.255.252.0 14 16384 6 64 
2048 2046 /21 255.255.248.0 13 8192 5 32 
4096 4094 /20 255.255.240.0 12 4096 4 16 
8192 8190 /19 255.255.224.0 11 2048 3 8 
16,384 16,382 /18 255.255.192.0 10 1024 2 4 
32,768 32,766 /17 255.255.128.0 9 512 1 2 
65,536 65,534 /16 255.255.0.0 8 256 
 
131,072 131,07 /15 255.254.0.0 7 128 
262,144 262,142 /14 255.252.0.0 6 64 
524,288 524,286 /13 255.248.0.0 5 32 
1,048,576 1,048,574 /12 255.240.0.0 4 16 
2,097,152 2,097,150 /11 255.224.0.0 3 8 
4,194,304 4,194,302 /10 255.192.0.0 2 4 
8,388,608 8,388,606 /9 255.128.0.0 1 2 
16,777,216 16,777,214 /8 255.0.0.0 
 
33,554,432 33,554,430 /7 254.0.0.0 
67,108,864 67,108,862 /6 252.0.0.0 
134,217,728 134,217,726 /5 248.0.0.0 
268,435,456 268,435,454 /4 240.0.0.0 
536,870,912 536,870,910 /3 224.0.0.0 
1,073,741,824 1,073,741,822 /2 192.0.0.0 
2,147,483,648 2,147,483,646 /1 128.0.0.0