# CidrBlockSummary
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A complex type that lists the CIDR blocks.

## Contents
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 ** CidrBlock **   <a name="Route53-Type-CidrBlockSummary-CidrBlock"></a>
Value for the CIDR block.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 50.  
Pattern: `.*\S.*`   
Required: No

 ** LocationName **   <a name="Route53-Type-CidrBlockSummary-LocationName"></a>
The location name of the CIDR block.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 16.  
Pattern: `[0-9A-Za-z_\-]+`   
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\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/route53-2013-04-01/CidrBlockSummary) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/route53-2013-04-01/CidrBlockSummary) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/route53-2013-04-01/CidrBlockSummary)