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The tables in this article provide information on ExpressRoute geographical coverage and locations, ExpressRoute connectivity providers, and ExpressRoute System Integrators (SIs).
Note
Azure regions and ExpressRoute locations are two distinct and different concepts, understanding the difference between the two is critical to exploring Azure hybrid networking connectivity.
Azure regions
Azure regions are global datacenters where Azure compute, networking, and storage resources are hosted. When creating an Azure resource, you need to select the resource location, which determines the specific Azure datacenter (or availability zone) where the resource is deployed.
ExpressRoute locations
ExpressRoute is supported across all Azure operated by 21Vianet regions and locations. The following map provides a list of Azure regions and ExpressRoute locations in China. ExpressRoute locations refer to those where Azure peers with several service providers.
You have access to Azure services across all regions within a geopolitical region if you're connecting to at least one ExpressRoute location within the geopolitical region.
Azure regions to ExpressRoute locations within a geopolitical region.
The following table provides a map of Azure regions to ExpressRoute locations for Azure operated by 21Vianet.
| Geopolitical region | Azure regions | ExpressRoute locations |
|---|---|---|
| China East | China East China East2 |
Shanghai Shanghai2 |
| China North | China North China North2 China North3 |
Beijing Beijing2 |
Connectivity across geopolitical regions isn't supported on the standard ExpressRoute SKU. You'll need to enable the ExpressRoute premium add-on to support global connectivity. Connectivity from Azure operated by 21Vianet to other Azure cloud environments isn't supported. You can work with your connectivity provider if such a need arises.
ExpressRoute connectivity providers
The following table shows locations by service provider. If you want to view available providers by location, see Service providers by location.
National cloud environment
Azure operated by 21Vianet is isolated from other Azure clouds. ExpressRoute for Azure in China can't connect to the Azure regions in the other Azure clouds.
| Service provider | Azure | Office 365 | Locations |
|---|---|---|---|
| Shanghai Telecom Ethernet | ✓ | ✗ | Shanghai Shanghai2 |
| Beijing Telecom Ethernet | ✓ | ✗ | Beijing Beijing2 |
| China Mobile | ✓ | ✗ | Beijing2 Shanghai2 |
| China Unicom | ✓ | ✗ | Beijing2 Shanghai2 |
| GDS | ✓ | ✗ | Beijing2 Shanghai2 |
To learn more, see ExpressRoute in China.
Next steps
- For more information about ExpressRoute, see the ExpressRoute FAQ.
- Ensure that all prerequisites are met. For more information, see ExpressRoute prerequisites.