Microsoft 365

Microsoft publishes a web service for Microsoft 365 endpoints. The worldwide feed covers Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, and Microsoft 365 Common endpoints.

Autonomous systems

AS8075 AS12076

Microsoft 365 endpoint web service

Official feed

Worldwide JSON endpoint with URLs, IP ranges, ports, categories, ExpressRoute flags, and required flags for Microsoft 365 services.

https://endpoints.office.com/endpoints/worldwide?clientrequestid=11111111-1111-1111-1111-111111111111

Documentation

Microsoft Learn - Microsoft 365 IP Address and URL web service

Autonomous systems

Published ranges

Documentation

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