AWS SDK Version 3 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

Disassociates a CIDR block from a subnet. Currently, you can disassociate an IPv6 CIDR block only. You must detach or delete all gateways and resources that are associated with the CIDR block before you can disassociate it.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to DisassociateSubnetCidrBlockAsync.

Namespace: Amazon.EC2
Assembly: AWSSDK.EC2.dll
Version: 3.x.y.z


public abstract DisassociateSubnetCidrBlockResponse DisassociateSubnetCidrBlock(
         DisassociateSubnetCidrBlockRequest request
Type: Amazon.EC2.Model.DisassociateSubnetCidrBlockRequest

Container for the necessary parameters to execute the DisassociateSubnetCidrBlock service method.

Return Value
The response from the DisassociateSubnetCidrBlock service method, as returned by EC2.

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also