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Clarifying CIDR block usage for Address Maps in MT w/ L7 guide
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src/content/docs/byoip/service-bindings/magic-transit-with-cdn.mdx

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@@ -11,32 +11,32 @@ import { Details, Example, TabItem, Tabs, GlossaryTooltip } from "~/components";
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[Magic Transit](/magic-transit/) customers using BYOIP can also benefit from the performance, reliability, and security that Cloudflare offers for HTTP-based applications.
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This documentation covers using the Cloudflare API to configure [service bindings](/byoip/service-bindings/) within Cloudflare's IP Address Management framework. Service bindings allow BYOIP customers to selectively route traffic on a per-IP address basis to the CDN pipeline (which includes [Cache](/cache/), [Web Application Firewal (WAF)](/waf/), and more).
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This documentation covers using the Cloudflare API to configure [service bindings](/byoip/service-bindings/) within Cloudflare's IP Address Management framework. Service bindings allow BYOIP customers to selectively route traffic on a per-IP address basis to the CDN pipeline (which includes [Cache](/cache/), [Web Application Firewall (WAF)](/waf/), and more).
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It is also possible to define service bindings to route traffic to the Spectrum pipeline selectively. However, this is not in the scope of this guide.
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It is important to note that traffic routed to the CDN pipeline is protected at Layers 3 and 4 by the inherent DDoS protection capabilities native to the CDN pipeline.
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## Before you begin
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Efficiency is paramount when planning how you will implement service bindings. Implementing service bindings through an aggregated CIDR block is strongly recommended.
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Even though it is possible to add discrete bindings for non-contiguous CIDR blocks (having to use different prefixes might necessitate this), implementing service bindings through an **aggregated** CIDR block is **strongly** recommended.
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<Details header="Example" >
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**Magic Transit protected prefix:** `203.0.113.100/24`
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**IPs to upgrade to the CDN:**
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`203.0.113.16`
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`203.0.113.17`
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`203.0.113.18`
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`203.0.113.19`
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`203.0.113.20`
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`203.0.113.21`
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`203.0.113.22`
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`203.0.113.16`<br />
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`203.0.113.17`<br />
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`203.0.113.18`<br />
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`203.0.113.19`<br />
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`203.0.113.20`<br />
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`203.0.113.21`<br />
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`203.0.113.22`<br />
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`203.0.113.23`
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**Best practice:** Add one discrete CDN service binding for `203.0.113.16` with a `/29` netmask.
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Add one discrete CDN service binding for `203.0.113.16` with a `/29` netmask.
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</Details>
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