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Network / Engineering tools

DHCP Pool Planner

Remove gateways, reservations, and exclusions from a LAN scope and check dynamic lease capacity. Work locally without uploading network information.

Runs entirely on your deviceNo uploads, accounts, cookies, or personal tracking.

Calculate available DHCP ranges

Local processing · no input storage

Network tools
Canonical network boundary, /1–/30.
Enter the value to evaluate.
One IPv4 address, CIDR, or start-end range per line. Must be inside the LAN.
Enter the value to evaluate.

Returns dynamic address ranges, excluding network, broadcast, and gateway. Reservations are excluded from dynamic capacity. Lease turnover and DHCP-server configuration are not simulated.

Text lists: up to 500 non-empty lines and 256 KiB per field. Tabular results: up to 5,000 rows.

Enter your data, then select calculate available dhcp ranges.
1. Add your data

Enter your network data or load the worked example.

2. Choose the result

Calculate available DHCP ranges and review the result and assumptions.

3. Save it locally

Copy the result or download it for your engineering workflow.

About this tool

Use DHCP Pool Planner without an upload

Remove gateways, reservations, and exclusions from a LAN scope and check dynamic lease capacity. Work locally without uploading network information.

The operation runs in the current browser tab. Tool input is not included in aggregate analytics, and the standalone download makes no analytics requests.

Network toolsDeveloper tools