Subnetz- & CIDR-Rechner

Host-Grenzen, nutzbare Bereiche, Masken und Netzwerk-IDs berechnen.

Computational Status

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Tool-Parameter konfigurieren

IPv4 Address

CIDR Mask Prefix

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Learn more about how this tool works and standard configurations

CIDR (Classless Inter-Domain Routing) notation like /24 describes network size. /24 = 256 addresses.

A /24 subnet has 256 total addresses — 254 usable hosts (subtract network and broadcast).

Currently the calculator focuses on IPv4 subnet math. IPv6 support is coming soon.