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What are the IP addresses for Alexa's Certify and Site Audit crawlers?

Here are the current IP addresses for our Certify and Site Audit crawlers:

  • 52.86.176.3
  • 52.4.48.181
  • 52.2.182.169
  • 52.86.185.29

You can also find information on our crawler user-agents here:


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