**Example 1: To allocate an Elastic IP address for EC2-Classic** The following ``allocate-address`` example allocates an Elastic IP address to use with an instance in EC2-Classic. :: aws ec2 allocate-address Output:: { "PublicIp": "198.51.100.0", "PublicIpv4Pool": "amazon", "Domain": "standard" } **Example 2: To allocate an Elastic IP address for EC2-VPC** The following ``allocate-address`` example allocates an Elastic IP address to use with an instance in a VPC. :: aws ec2 allocate-address \ --domain vpc \ --network-border-group us-west-2-lax-1 Output:: { "PublicIp": "70.224.234.241", "AllocationId": "eipalloc-02463d08ceEXAMPLE", "PublicIpv4Pool": "amazon", "NetworkBorderGroup": "us-west-2-lax-1", "Domain": "vpc" }