Windows Azure’s use of non-US IPv4 address space in US regions!!!!!!

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Some Azure customers may have noticed that for a VM deployed in a US region, when they launch a localized page on a web browser it may redirect them to an international site. The following explains why this may be happening.

Potential Cause

IPv4 address space has been fully assigned in the United States, meaning there is no additional IPv4 address space available. This requires Microsoft to use the IPv4 address space available to us globally for the addressing of new services. The result is that we will have to use IPv4 address space assigned to a non-US region to address services which may be in a US region.  It is not possible to transfer registration because the IP space is allocated to the registration authorities by Internet Assigned Numbers Authority.

To read more about this, click here:

http://azure.microsoft.com/blog/2014/06/11/windows-azures-use-of-non-us-ipv4-address-space-in-us-regions/

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