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Subnet / CIDR Calculator — Free, No Upload, Browser-Based

🔒 Funciona en tu navegador

Enter any IP address and CIDR prefix length to instantly see the network address, broadcast address, usable host range, subnet mask, wildcard mask, and total host count — all calculated in your browser. No IP address or network data is ever transmitted to a server, making it safe for inspecting internal or sensitive network ranges.

Cómo usar esta herramienta

  1. Escribe una dirección IP y ajusta el control deslizante de longitud de prefijo o escribe un bloque CIDR como 10.0.0.0/8.
  2. La calculadora muestra al instante la dirección de red, broadcast, máscara de subred, máscara wildcard y rango de hosts.
  3. Copia cualquier valor individual con el botón Copiar junto a cada fila de resultados.
/
Prefix length/24
/0/8 Class A/16 Class B/24 Class C/32

Network

192.168.1.0/24

PrivateClass C
Network address
192.168.1.0
Broadcast address
192.168.1.255
Subnet mask
255.255.255.0 (/24)
Wildcard mask
0.0.0.255
First usable host
192.168.1.1
Last usable host
192.168.1.254
Usable hosts
254
Total addresses
256

All calculations happen in your browser. No IP addresses are transmitted.

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Subnet / CIDR Calculator — Free, No Upload, Browser-Based | brevio