> **Experimental**
>
> `@aws-cdk/aws-ec2-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# IIpAddresses

Implements ip address allocation according to the IPAdress type.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/vpc-v2.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-ec2-alpha/lib/vpc-v2.ts#L177)

## Methods

- `allocateVpcCidr(): VpcCidrOptions` — Method to define the implementation logic of IP address allocation.