Split a parent IPv4 CIDR range into equal-sized child subnets. Results are local and capped at 256 ranges.
Divide a parent IPv4 range into equal-sized child CIDR blocks.
Host bits are normalized to the parent network. Results are calculated locally; output is capped at 256 child ranges.
Planning aid only. It does not consider existing routes, reserved ranges or your authoritative address plan.
Split a parent IPv4 CIDR range into equal-sized child subnets. Results are local and capped at 256 ranges.
Review the limits and privacy notes shown with the tool. Important configuration or security decisions should be checked against authoritative systems and your organization’s approved procedures.
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