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Networking, Domains & Internet

Network & Broadcast Address Calculator.

Addresses and results remain in this browser. Calculate network and broadcast addresses from IP and mask. Uses exact local arithmetic and independent verification.

Use Network & Broadcast Address Calculator

Private in this browser. Addresses and results stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Enter an address, mask, prefix or range.

  2. 02

    Run the exact local calculation.

  3. 03

    Review assumptions before downloading the verified result.

Frequently asked questions

Does this query the network?

No. The result is only a local calculation.

Does Network & Broadcast Address Calculator upload my data?

Network & Broadcast Address Calculator runs locally in your browser. Addresses and results stay in this browser.

What output does Network & Broadcast Address Calculator create?

Network & Broadcast Address Calculator creates Json output after the result passes its local verification checks.

IPv4 Subnet CalculatorCalculate network, broadcast, host range, masks and address counts from IPv4 CIDR. Uses exact local arithmetic and independent verification.CIDR CalculatorConvert prefix length, subnet mask, wildcard mask and address counts. Uses exact local arithmetic and independent verification.Subnet Mask ConverterConvert dotted-decimal masks, prefixes, binary masks and wildcard masks. Uses exact local arithmetic and independent verification.
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