---
title: Concepts
description: Core concepts for BYOIP, including prefix delegation, IRR, and RPKI.
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/byoip/llms.txt  
> Use this file to discover all available pages before exploring further. 

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# Concepts

Review the topics below for more information about concepts related to BYOIP.

* [ Dynamic advertisement ](https://developers.cloudflare.com/byoip/concepts/dynamic-advertisement/)
* [ Internet Routing Registry (IRR) ](https://developers.cloudflare.com/byoip/concepts/irr-entries/)
* [ Route filtering and RPKI ](https://developers.cloudflare.com/byoip/concepts/route-filtering-rpki/)
* [ Letter of Agency ](https://developers.cloudflare.com/byoip/concepts/loa/)
* [ Prefix delegations ](https://developers.cloudflare.com/byoip/concepts/prefix-delegations/)
* [ Static IPs ](https://developers.cloudflare.com/byoip/concepts/static-ips/)

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