Addresses in AS8075 span Azure customer VMs, Microsoft services and Bingbot. Microsoft publishes Azure ranges weekly (Azure IP Ranges and Service Tags). Outlook/Exchange Online sending addresses are here too, which matters for email allow-lists.
Networks (ASN) / AS8075
AS8075 Microsoft Corporation (Azure)
Cloud hosting / servicesUS
Microsoft's global network for Azure, Office 365, Xbox Live, Bing and Outlook.com.
Frequently asked questions
Is an AS8075 address a Microsoft employee or a customer?
Almost always a customer workload or a Microsoft service. Verify Bingbot via reverse DNS (search.msn.com).