Allocating an Amazon Elastic IP and associating it with your instance

To allocate an Elastic IP and associate it with an EC2 instance, do the following:

Steps:

1. Open the AWS Management Console, click the EC2 link, and display the page associated with your region.
2. Click the Elastic IPs link.
3. Click Allocate New Address and choose EC2 or VPC from the drop-down list, depending whether you're going to associate this IP with an instance in Amazon EC2 or Amazon Virtual Private Cloud, respectively. Click Yes, allocate to confirm your choice.
4. Right-click the newly created Elastic IP and choose Associate Address.
5. Choose your desired EC2 instance from the drop-down list of running instances and click Associate.