Network: 192.168.1.0

Mask: 255.255.255.0

First Host: 192.168.1.1

Last Host: 192.168.1.254

Broadcast: 192.168.1.255

Usable Hosts: 254

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About CIDR Range

When you need developer and design work done in seconds, CIDR Range delivers a clean, focused interface without the friction of a generic tool. The goal was to keep the path from "open the page" to "get the result" as short as possible. No mandatory account, no cookie wall, no upsell at every step. Like everything else in the developer collection, it is free, ad-light, and works on mobile as well as desktop.

When you'd reach for CIDR Range

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

Frequently asked about CIDR Range

Does CIDR Range work on mobile?
Yes, CIDR Range is fully responsive and tested on iOS Safari and Android Chrome.
What browsers does CIDR Range support?
Every modern browser released in the last three years: Chrome, Firefox, Safari, Edge, Brave, Opera.
Is CIDR Range really free?
Yes — CIDR Range is free for unlimited personal use, with no account required and no watermark on the output.
Will CIDR Range change my original file?
Never. CIDR Range only reads your input file and produces a new output file.
Do I need to create an account to use CIDR Range?
No. CIDR Range works without any signup. We only ask for an email if you decide to subscribe to a paid plan.