Reverse DNS Lookup
Query public PTR records for an IPv4 address.
PoE Power Budget
Estimate switch power budget for a list of PoE devices.
Processed locally in your browser.
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How to use PoE Power Budget
- Choose Example to see valid input, or enter your own data.
- Run the tool and review the result. Invalid inputs show a helpful error.
- Copy or download the output, or use Reset to clear the workspace.
Practical example
[{"name":"Camera","watts":12,"quantity":8},{"name":"AP","watts":20,"quantity":2}]Common question
What should I know before using this tool?
Use manufacturer worst-case power requirements. Confirm per-port PoE standard and cable losses separately.
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