# IpamInternetRegistryAssociationCidr
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Contains information about an IP address CIDR registered at an internet registry and associated with an IPAM.

## Contents
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 ** cidr **   
The IP address prefix in CIDR notation.  
Type: String  
Required: No

 ** lastObservedAt **   
The time when the CIDR was last observed at the internet registry.  
Type: Timestamp  
Required: No

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/ec2-2016-11-15/IpamInternetRegistryAssociationCidr) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ec2-2016-11-15/IpamInternetRegistryAssociationCidr) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ec2-2016-11-15/IpamInternetRegistryAssociationCidr)