Calculadora de Sub-rede IPv4
Dado prefixo /N, retorna hosts úteis, máscara e número de sub-redes.
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Hosts úteis
254
Sub-redes
1
Wildcard bits
8
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Formula
hosts = 2^(32-N) - 2; subnets = 2^(N-orig)
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