Hyperscaler
AS8075 — Microsoft Corporation
Microsoft's main AS — Azure, Microsoft 365, Bing, Xbox Live, Outlook.com, GitHub edge.
About this autonomous system
AS8075 is the umbrella AS for most consumer and enterprise Microsoft services. Azure VM outbound traffic, Microsoft 365 endpoints, Bing crawlers, Xbox Live, Outlook.com, Skype, Teams, and GitHub's edge all originate here. Microsoft publishes its endpoint IP list for firewall configuration. If you see this AS in unsolicited connections, it's most commonly Bing's web crawler.
Common uses
- •Azure
- •Microsoft 365
- •Bing crawler
- •Xbox Live
- •Teams
Notable IP ranges
- 13.64.0.0/11
- 20.0.0.0/8 (partial)
- 40.64.0.0/10
Illustrative — Microsoft Corporation announces many more ranges.
Look up an IP from this ASN
Want to check whether a specific IP belongs to Microsoft Corporation? Use our IP lookup tool to see the ASN, location, and reverse DNS of any address.
Open IP Lookup →Frequently asked questions
- Who owns AS8075?
- AS8075 is registered to Microsoft Corporation in US. Microsoft's main AS — Azure, Microsoft 365, Bing, Xbox Live, Outlook.com, GitHub edge.
- What kind of traffic comes from AS8075?
- AS8075 is classified as a hyperscaler. Common services include Azure, Microsoft 365, Bing crawler.
- Is an IP from AS8075 a bot or proxy?
- Not necessarily, but IPs from AS8075 are datacenter origins — legitimate API clients, hosted services, or sometimes scrapers and bots. Many anti-abuse systems treat Microsoft Corporation traffic with extra scrutiny because it's not from a residential user.
- What IP ranges does AS8075 announce?
- Some of the notable ranges include 13.64.0.0/11, 20.0.0.0/8 (partial), 40.64.0.0/10 — but Microsoft Corporation announces many more. Use our IP lookup to check a specific IP.