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VLSM Planner

Allocate variable-size IPv4 subnets for requested host counts.

Processed locally in your browser.

Input

Output

Your result will appear here.

Enter your input, then run the tool.

How to use VLSM Planner

Provide available ipv4 block, required host counts, one per subnet.
Select Run tool to allocate variable-size IPv4 subnets for requested host counts.
Review the vlsm planner result, then copy or download the output.

Available IPv4 block: 192.168.0.0/24
Required host counts, one per subnet: 100
50
20

What should I check when using VLSM Planner?

Use the labeled units and valid available ipv4 block. The Example button supplies a reproducible starting input.

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