This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::EC2::IPAMPool ProvisionedCidr
<a name="aws-properties-ec2-ipampool-provisionedcidr"></a>

The CIDR provisioned to the IPAM pool. A CIDR is a representation of an IP address and its associated network mask (or netmask) and refers to a range of IP addresses. An IPv4 CIDR example is `10.24.34.0/23`. An IPv6 CIDR example is `2001:DB8::/32`.

**Note**  
This resource type does not allow you to provision a CIDR using the netmask length. To provision a CIDR using netmask length, use [AWS::EC2::IPAMPoolCidr](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-ipampoolcidr.html). 

## Syntax
<a name="aws-properties-ec2-ipampool-provisionedcidr-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-ec2-ipampool-provisionedcidr-syntax.json"></a>

```
{
  "[Cidr](#cfn-ec2-ipampool-provisionedcidr-cidr)" : String
}
```

### YAML
<a name="aws-properties-ec2-ipampool-provisionedcidr-syntax.yaml"></a>

```
  [Cidr](#cfn-ec2-ipampool-provisionedcidr-cidr): String
```

## Properties
<a name="aws-properties-ec2-ipampool-provisionedcidr-properties"></a>

`Cidr`  <a name="cfn-ec2-ipampool-provisionedcidr-cidr"></a>
The CIDR provisioned to the IPAM pool. A CIDR is a representation of an IP address and its associated network mask (or netmask) and refers to a range of IP addresses. An IPv4 CIDR example is `10.24.34.0/23`. An IPv6 CIDR example is `2001:DB8::/32`.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)