Developer Tools

Supernet Calculator — CIDR Aggregation Helper

Enter CIDR notation to see network, broadcast, mask, and host range

How to Use This Tool

  1. Enter CIDR notation (e.g. 192.168.1.0/24) or IP + mask.
  2. Click Calculate.
  3. Review network, broadcast, host range, and usable host count.
  4. Use results to plan route aggregation and address layouts.

About This Tool

Rankify supernet calculator performs IPv4 CIDR subnet math — enter a network in CIDR or dotted-mask form to see network address, broadcast, mask, wildcard, and usable host range.

Everything runs in your browser — inputs stay on your device and are not uploaded to a server.

Common use cases

  • •Inspect HTTP headers and user-agent strings
  • •Analyze email headers for phishing investigation
  • •Generate strong passwords for staging environments

Why use Rankify for ?

  • Free to use with no signup.
  • Client-side processing for privacy.
  • Instant results with copy-friendly output.
  • Works on desktop and mobile browsers.

Supernetting concepts

Supernetting combines contiguous smaller prefixes into one larger aggregate for routing tables. Verify subnets are contiguous before aggregating — gaps break summarization.

This calculator validates each prefix; manual aggregation still requires checking boundary alignment.

Frequently Asked Questions

Yes. Rankify offers this supernet calculator at no cost with no account required. Results load in real time.

We do not permanently store your queries on our servers. Some tools run entirely in your browser; others fetch public data for the request only.

Yes. Open the page in any modern phone or tablet browser. Results work on Wi‑Fi and mobile data.

Next step for your check

Continue with network calculator on Rankify.

Network Calculator

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