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Calculadora de Subredes

Calcule subredes IPv4, direcciones de red, direcciones de broadcast y rangos de hosts utilizables según la dirección IP y el bloque CIDR.

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The Math Behind It

All results are generated using industry-standard, tested mathematical models tailored for other computations. Values are internally processed with high-precision floating point limits to ensure output reliability and minimal rounding drift.

¿Qué es una Calculadora de Subredes?

Una Calculadora de Subredes (Subnetting) es una herramienta de diagnóstico y mapeo utilizada por administradores de sistemas de TI, ingenieros de redes y estudiantes para dividir una red IP en "subredes" más pequeñas definidas lógicamente.

Calcular los límites exactos de una red 192.168.1.0/24 manualmente procesando bloques binarios de 32 bits es tedioso y propenso a errores. Nuestra calculadora analiza de manera instantánea cualquier dirección IPv4 válida y sufijo CIDR para mostrar el piso absoluto de su red (Dirección de Red), el techo absoluto (Dirección de Broadcast) y la cantidad de hosts utilizables.

Notación CIDR y Máscaras de Subred

El Subnetting gira en torno a la Máscara de Subred, que enmascara la parte del identificador de red de la dirección IP, dejando los bits restantes para los dispositivos host. En lugar de máscaras largas como 255.255.255.0, se utiliza la notación CIDR (/24). Una máscara /24 representa 24 bits de red, dejando 8 bits para hosts ($2^8 = 256$ direcciones IP totales).

Rango de IPs Usables

Para cada subred estándar, hay dos direcciones IP reservadas que no se pueden asignar a equipos estándar:

  1. Dirección de red: La primera IP del bloque, identifica la red en sí.
  2. Dirección de broadcast: La última IP del bloque, reservada para la transmisión de paquetes a todos los dispositivos. Las IP que quedan en medio forman su Rango de Host Usable, el cual nuestro sistema revela automáticamente.

Frequently Asked Questions

What is a Calculadora de Subredes?

A Calculadora de Subredes is a specialized mathematical tool that allows you to calculate and estimate relevant values based on your inputs. It's completely free to use online.

How do I use this Calculadora de Subredes?

Simply enter your required information into the fields above and the results will automatically calculate and update on your screen.

Is my data safe when using this Calculadora de Subredes?

Yes, protecting your privacy is our priority. All calculations performed by this Calculadora de Subredes happen locally in your browser. We never store or transmit your personal input data to any servers.

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