Network & Security · Local-first

CIDR Aggregator Online

Merge adjacent IPv4 networks and remove redundant routes.

Free · No sign-up · Browser-based processing

What CIDR Aggregator does

Merge adjacent IPv4 networks and remove redundant routes. The utility is designed for quick, focused work without requiring an account or installing another application.

Common uses

Troubleshoot network and security configurations
Check values before production changes
Generate repeatable outputs for documentation

How to use CIDR Aggregator

Enter or paste the value you want to process in CIDR Aggregator.
Run the tool and review the generated result for the expected format.
Copy or download the result and verify it in the system where it will be used.

Privacy: Runs locally in your browser. Input is not uploaded to the DevNet Kit server.

CIDR Aggregator example

Try the tool with this representative input:

10.0.0.0/25
10.0.0.128/25
10.0.1.0/24

CIDR Aggregator FAQ

Does CIDR Aggregator require an account?

No. The tool is available without registration.

Is CIDR Aggregator local or remote?

Processing runs in your browser and the input is not uploaded to the DevNet Kit server.

Can I use it on mobile?

Yes. The interface is responsive, although large inputs are usually easier to inspect on a desktop screen.