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CIDR and Netmask Converter

Convert an IPv4 prefix length into a dotted netmask and back.

Nel browser · Senza registrazione

Accepts prefixes 0–32. Reverse conversion rejects masks whose binary ones are not contiguous.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Come si usa

  1. Convert an IPv4 prefix length into a dotted netmask and back.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Esempio

/24 ⇄ 255.255.255.0

Dettagli e limiti

Text stays in your browser; it is not sent to a conversion server.

Riferimenti

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