# AwsEc2SecurityGroupIpv6Range
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A range of IPv6 addresses.

## Contents
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 ** CidrIpv6 **   <a name="securityhub-Type-AwsEc2SecurityGroupIpv6Range-CidrIpv6"></a>
The IPv6 CIDR range. You can specify either a CIDR range or a source security group, but not both. To specify a single IPv6 address, use the /128 prefix length.  
Type: String  
Pattern: `.*\S.*`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/securityhub-2018-10-26/AwsEc2SecurityGroupIpv6Range) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/securityhub-2018-10-26/AwsEc2SecurityGroupIpv6Range) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/securityhub-2018-10-26/AwsEc2SecurityGroupIpv6Range)