Microsoft 365 URLs and IP address ranges

Publisher

Microsoft

URL

https://learn.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges

Published

2026-08-14

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Microsoft Learn content; verify terms before reuse; no-redistribution; short excerpts and locators only

Source notes citing this source

• Microsoft 365 endpoint set ID 11 (Teams, Optimize Required) lists UDP 3478-3481 to 52.112.0.0/14, 52.122.0.0/15 and 2603:1063::/38; this is a different port list from the UDP 49152-53247 range the SIP Gateway configure article specifies. in context

Cite this source record

APA

WarmTransfer. (2026, August 14). Microsoft 365 URLs and IP address ranges. WarmTransfer. https://warmtransfer.net/knowledge/sources/ms-learn-m365-urls-ip-ranges

BibTeX

@misc{warmtransfer-ms-learn-m365-urls-ip-ranges,
  title  = {Microsoft 365 URLs and IP address ranges},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/ms-learn-m365-urls-ip-ranges},
  note   = {Microsoft, accessed 2026-10-02}
}