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Network / Engineering tools

Network Address Redactor

Replace recognized IPv4, IPv6, MAC addresses, and specified hostnames with consistent labels in logs. Work locally without uploading network information.

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

Replace network addresses

Local processing · no input storage

Network tools
Up to 500 non-empty lines / 256 KiB. Text stays in this tab.
One exact hostname per line; case-insensitive. Other text is preserved.

Not a general secret scrubber. Review the output for credentials, unrecognized addresses, and other sensitive text before sharing. Original replacement maps are not exported.

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 replace network addresses.
1. Add your data

Enter your network data or load the worked example.

2. Choose the result

Replace network addresses and review the result and assumptions.

3. Save it locally

Copy the result or download it for your engineering workflow.

About this tool

Use Network Address Redactor without an upload

Replace recognized IPv4, IPv6, MAC addresses, and specified hostnames with consistent labels in logs. 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