Azure Datacenter IP ranges (XML files) will be deprecated by June 30, 2020
Published date: August 12, 2019
Weekly publication of Azure datacenter IP ranges (also known as XML files) for Azure Public, China, and Germany will be deprecated by June 30, 2020.
Instead, you can now download the updated weekly publications (also known as JSON files) or programmatically retrieve this information using the Service Tag Discovery API to integrate with an on-premises firewall.
Read more about the Service Tag Discovery API.