52.101.40.0
52.101.40.0 - IP Info
52.101.40.0 is dedicated to Microsoft Outlook. Details on hostnames, network point-of-presence, and more are provided below. We also provide IPs, networks and hostnames used by other applications.
Application Data
The application data shown here is available in our Netify Data Feeds solution. The data is accessible via our IP API as well as downloadable datasets.
IP Stack Summary
Layer | Details | Category |
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Application |
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Platform |
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Hosting |
Network |
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Hosting |
Connectivity |
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Business |
IP Info
IP Address | 52.101.40.0 | On the Microsoft Azure Network |
Hostname | mail-cy5pr03cu00300.inbound.protection.outlook.com | Associated with Microsoft Outlook |
Routing Info
ASN | AS8075 |
ASN Route | 52.100.0.0/14 |
ASN Label | Microsoft |
Category | Business |
Organization |
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Location | Cheyenne, Wyoming, United States |
The ASN (Autonomous System Number) provides routing and location information for traffic flowing to this IP address.
Application

Outlook.com is a web-based suite of webmail, contacts, tasks, and calendaring services from Microsoft.
Some IP addresses can be shared across multiple applications, especially on content delivery networks (CDNs). However, it looks like 52.101.40.0 is dedicated to Microsoft Outlook.
Platform

Microsoft Azure is an open, flexible, enterprise-grade cloud computing platform.
Most applications are built on top of third party platforms and infrastructure: cloud computing, content delivery networks, marketing engines, etc.
Network

West Central US
westcentralus
To get information to end users more quickly, many applications are distributed from multiple locations around the globe. The network point-of-presence (PoP) provides location information for this IP address.
Connectivity
The network connection can sometimes be managed by third-party providers - typically an ISP or IXP.
Notable Hostnames
- 711-com0c.mail.protection.outlook.com
- abmmscloud.mail.protection.outlook.com
- accountprotection-microsoft-com.mail.protection.outlook.com
- acrisure-com.mail.protection.outlook.com
- adm-com.mail.protection.outlook.com
- adobe-com.mail.protection.outlook.com
- adobe.mail.protection.outlook.com
- and 186 more
The list of notable hostnames that were detected on this IP address come from DNS, HTTP headers, TLS certificates, DNS hinting, and other deep packet inspection methods.
Netify Resources
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