# IPSet
<a name="API_IPSet"></a>

A list of IP addresses and address ranges, in CIDR notation. This is part of a [RuleVariables](API_RuleVariables.md). 

## Contents
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 ** Definition **   <a name="networkfirewall-Type-IPSet-Definition"></a>
The list of IP addresses and address ranges, in CIDR notation.   
Type: Array of strings  
Length Constraints: Minimum length of 1.  
Pattern: `^.*$`   
Required: Yes

## 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/network-firewall-2020-11-12/IPSet) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/network-firewall-2020-11-12/IPSet) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/network-firewall-2020-11-12/IPSet)