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Validation of Public IPs from Microsoft

Siddhesh Rajesh Jaiswal 20 Reputation points
2026-03-10T12:28:01.3166667+00:00

Dear Microsoft Support Team,

We are reaching out to inquire about the following IP addresses:

  1. 20.106.86.13
  2. 52.140.118.28
  3. 194.36.32.210
  4. 194.36.32.207

Could you please confirm if these IP addresses are part of Microsoft services? We have received security alerts associated with these IPs, and we need to verify their ownership to proceed with further investigation.

Microsoft 365 and Office | Microsoft 365 Defender | Other | Windows
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Answer accepted by question author

Marcin Policht 90,970 Reputation points MVP Volunteer Moderator
2026-03-10T12:49:20.2866667+00:00

These addresses are part of the Microsoft Azure network infrastructure:

  • 20.106.86.13: Registered to Microsoft Corporation and hosted on the Microsoft Azure Network (West US 3 region).
  • 52.140.118.28: Belongs to the Microsoft Azure network range.

For details, refer to https://www.microsoft.com/en-gb/download/details.aspx?id=56519

These addresses are not directly registered to Microsoft:

  • 194.36.32.210: Part of a range (194.36.32.0/24) registered to Edgevana, Inc..
  • 194.36.32.207: Also part of the Edgevana, Inc. network range.

If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

hth

Marcin

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