:doc:`EC2 <../../ec2>` / Client / disassociate_subnet_cidr_block

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disassociate_subnet_cidr_block
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.. py:method:: EC2.Client.disassociate_subnet_cidr_block(**kwargs)

  

  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.

  

  See also: `AWS API Documentation <https://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DisassociateSubnetCidrBlock>`_  


  **Request Syntax**
  ::

    response = client.disassociate_subnet_cidr_block(
        AssociationId='string'
    )
    
  :type AssociationId: string
  :param AssociationId: **[REQUIRED]** 

    The association ID for the CIDR block.

    

  
  
  :rtype: dict
  :returns: 
    
    **Response Syntax**

    
    ::

      {
          'Ipv6CidrBlockAssociation': {
              'AssociationId': 'string',
              'Ipv6CidrBlock': 'string',
              'Ipv6CidrBlockState': {
                  'State': 'associating'|'associated'|'disassociating'|'disassociated'|'failing'|'failed',
                  'StatusMessage': 'string'
              },
              'Ipv6AddressAttribute': 'public'|'private',
              'IpSource': 'amazon'|'byoip'|'none'
          },
          'SubnetId': 'string'
      }
      
    **Response Structure**

    

    - *(dict) --* 
      

      - **Ipv6CidrBlockAssociation** *(dict) --* 

        Information about the IPv6 CIDR block association.

        
        

        - **AssociationId** *(string) --* 

          The ID of the association.

          
        

        - **Ipv6CidrBlock** *(string) --* 

          The IPv6 CIDR block.

          
        

        - **Ipv6CidrBlockState** *(dict) --* 

          The state of the CIDR block.

          
          

          - **State** *(string) --* 

            The state of a CIDR block.

            
          

          - **StatusMessage** *(string) --* 

            A message about the status of the CIDR block, if applicable.

            
      
        

        - **Ipv6AddressAttribute** *(string) --* 

          Public IPv6 addresses are those advertised on the internet from Amazon Web Services. Private IP addresses are not and cannot be advertised on the internet from Amazon Web Services.

          
        

        - **IpSource** *(string) --* 

          The source that allocated the IP address space. ``byoip`` or ``amazon`` indicates public IP address space allocated by Amazon or space that you have allocated with Bring your own IP (BYOIP). ``none`` indicates private space.

          
    
      

      - **SubnetId** *(string) --* 

        The ID of the subnet.

        
  