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List BGP Prefixes

by
Published Nov 16, 2023

List all BGP Prefixes within the specified IP Prefix. BGP Prefixes are used to control which specific subnets are advertised to the Internet. It is possible to advertise subnets more specific than an IP Prefix by creating more specific BGP Prefixes.

Script cloudflare Verified

The script

Submitted by hugo697 Typescript (fetch-only)
Verified 403 days ago
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type Cloudflare = {
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  token: string;
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  email: string;
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  key: string;
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};
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/**
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 * List BGP Prefixes
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 * List all BGP Prefixes within the specified IP Prefix. BGP Prefixes are used to control which specific subnets are advertised to the Internet. It is possible to advertise subnets more specific than an IP Prefix by creating more specific BGP Prefixes.
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 */
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export async function main(
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  auth: Cloudflare,
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  account_identifier: string,
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  prefix_identifier: string
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) {
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  const url = new URL(
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    `https://api.cloudflare.com/client/v4/accounts/${account_identifier}/addressing/prefixes/${prefix_identifier}/bgp/prefixes`
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  );
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  const response = await fetch(url, {
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    method: "GET",
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    headers: {
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      "X-AUTH-EMAIL": auth.email,
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      "X-AUTH-KEY": auth.key,
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      Authorization: "Bearer " + auth.token,
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    },
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    body: undefined,
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  });
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  if (!response.ok) {
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    const text = await response.text();
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    throw new Error(`${response.status} ${text}`);
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  }
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  return await response.json();
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}
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