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CDN Ranges

Tool to download a list of IP ranges used by CDNs (Cloudflare, Akamai, Incapsula, Fastly, etc). This helps to avoid performing unnecessary port scans when doing bug bounties.

This uses publicly available lists of IP ranges, provided by most providers, and BGPView to query IP ranges for ASNs.

This was heavily inspired by Project Discovery's cdncheck.

Ranges are updated every 60 Minutes and deployed here.

Node.js CI

CDN Providers

Provider ASN or Public List
Apple "AS714", "AS6185"
Akamai "AS12222", "AS16625", "AS16702", "AS17204", "AS18680", "AS18717", "AS20189", "AS20940", "AS21342", "AS21357", "AS21399", "AS22207", "AS22452", "AS23454", "AS23455", "AS23903", "AS24319", "AS26008", "AS30675", "AS31107", "AS31108", "AS31109", "AS31110", "AS31377", "AS33047", "AS33905", "AS34164", "AS34850", "AS35204", "AS35993", "AS35994", "AS36183", "AS39836", "AS43639", "AS55409", "AS55770", "AS63949", "AS133103", "AS393560"
CacheFly https://cachefly.cachefly.net/ips/rproxy.txt
CDNetworks "AS36408", "AS38107"
Cloudflare https://www.cloudflare.com/ips-v4
CloudFront https://ip-ranges.amazonaws.com/ip-ranges.json
DDoS Guard "AS57724"
Fastly https://api.fastly.com/public-ip-list
Incapsula https://my.incapsula.com/api/integration/v1/ips
Limelight (Edg.io) "AS22822", "AS23059", "AS26506","AS38622", "AS55429"
MaxCDN https://support.maxcdn.com/hc/en-us/article_attachments/360051920551/maxcdn_ips.txt
Qrator "AS200449"
StackPath "AS12989", "AS18607", "AS20446", "AS33438"
StormWall "AS59796"
Sucuri "AS30148"
X4B "AS136165"

If a provider is missing, please open an issue with a link to their IP ranges or ASN

Installation

This code requires Node.js 14.x or higher. I will be providing executables in the near future.

  1. Download code
git clone https://github.com/taythebot/cdn-ranges
  1. Install dependencies
npm install

Usage

Download ip ranges for all providers

node download --output ranges.txt

Download for a specific provider (lowercase and replace spaces with -)

node download --provider cloudflare

Dump in json format

node download --format json --output ranges.json

Dump in csv format (format: provider,range)

node download --format csv --output ranges.csv

Support Formats

  • txt (default)
  • json
  • csv