Change Notification for Exchange Online URLs and IP Address Ranges

 

Topic Last Modified: 2014-06-26

This topic lists the updates that have been made to the URLs and IP addresses used by Microsoft Exchange Online listed in Exchange Online URLs and IP Address Ranges.

 

Region Date Change Type Brief Description of Change(s)

N/A

6/26/2014

Removed all URLs and IP address ranges. Go to Office 365 URL and IP address to view the URLs and IP addresses for our services.

N/A

6/17/2014

Modify

Added the following warning:

importantImportant:
We’re making it easier to find the URLs and IP addresses for our services. Starting June 3rd the Exchange Online & Lync Online URLs and IP addresses will be moved to the main Office 365 URL and IP address page.

N/A

5/14/2012

Modify

Added link to this topic.

Americas

6/4/2013

Modify

  • Removed IP address range 157.55.61.128/25 because it is included in the range 157.55.61.0/24.

  • Updated IP address range 157.55.49.0/25 to 157.55.49.0/24 and removed IP address range 157.55.49.128/25 because it is included in the range 157.55.49.0/24.

Europe

6/4/2013

Modify

Updated IP address range 157.55.47.0/25 to 157.55.47.0/24 and removed 157.55.47.128/25 because it is included in the range 157.55.47.0/24.

Microsoft Federation Gateway

6/4/2013

Add

Added *.office365.com

N/A

8/30/2013

Modify

  • Added the URLs r4.res.outlook.com and prod.msocdn.com.

  • Removed the regional designations and consolidated all IP address ranges into one list.

  • Added the following IP address ranges:

    1. 157.56.0.0/16

    2. 111.211.116.0/22

    3. 132.245.0.0/16

  • Removed the following IP address ranges:

    1. 157.56.24.0/25

    2. 157.56.232.0/21

    3. 157.56.234.0/24

    4. 157.56.236.0/24

    5. 157.56.237.0/24

    6. 157.56.240.0/21

    7. 157.56.241.0/24

    8. 157.56.244.0/24

    9. 157.56.245.0/24

N/A

10/3/2013

Removed

Removed the following IP address ranges because they are included in the range 157.56.0.0/16:

  • 157.56.58.0/25

  • 157.56.248.0/21

Removed 111.211.116.0/22 because it isn’t a Microsoft IP address range.

N/A

1/31/2014

Removed

Removed the IP address range 111.221.116.0/24 because it is included in the IP address range 111.221.112.0/21.

N/A

1/31/2014

Added

Added the following URLs:

  • *.mail.onmicrosoft.com

  • Xsi.outlook.com

 
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