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Privacy

Last updated October 27, 2026

knownports.online is edited by Liam Cooper. This page explains what happens to information when you visit it.

Hosting

The site is hosted by Contabo GmbH, Aschauer Straße 32a, 81549 München, Germany.

Cloudflare

Requests to the site pass through Cloudflare, which processes them, including your IP address and browser user agent, to deliver the pages and protect the site.

Server logs

The web server keeps access logs with the IP address, time, requested URL and user agent of each request. They are kept for up to 14 days for security and operation, then deleted.

Cookies, analytics and ads

The site sets no cookies and runs no analytics. It shows no ads at present. If that changes, this page will be updated first.

The lookup

Searches in the port lookup run in your browser against a data file loaded from this site; what you type is not sent to us. The lookup may store your last search in your own browser's storage so it can be shown again. You can clear it in your browser's site-data settings.

Contact

Questions about privacy: support@knownports.online.

IANA registry as updated October 26, 2026 · Edited by Liam Cooper
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Data: IANA Service Name and Transport Protocol Port Number Registry (iana.org/assignments/service-names-port-numbers), dedicated to the public domain under CC0 1.0. Restructured and compared by knownports.online. RFC metadata: RFC Editor rfc-index.xml. An independent site, not affiliated with IANA or the RFC Editor.