Use DescribeAddresses with an AWS SDK or CLI

//! Describe all Elastic IP addresses.
/*!
  \param clientConfiguration: AWS client configuration.
  \return bool: Function succeeded.
 */
bool AwsDoc::EC2::describeAddresses(
        const Aws::Client::ClientConfiguration &clientConfiguration) {
    Aws::EC2::EC2Client ec2Client(clientConfiguration);
    Aws::EC2::Model::DescribeAddressesRequest request;
    Aws::EC2::Model::DescribeAddressesOutcome outcome = ec2Client.DescribeAddresses(request);
    if (outcome.IsSuccess()) {
        std::cout << std::left << std::setw(20) << "InstanceId" <<
                  std::setw(15) << "Public IP" << std::setw(10) << "Domain" <<
                  std::setw(30) << "Allocation ID" << std::setw(25) <<
                  "NIC ID" << std::endl;

        const Aws::Vector<Aws::EC2::Model::Address> &addresses = outcome.GetResult().GetAddresses();
        for (const auto &address: addresses) {
            Aws::String domainString =
                    Aws::EC2::Model::DomainTypeMapper::GetNameForDomainType(
                            address.GetDomain());

            std::cout << std::left << std::setw(20) <<
                      address.GetInstanceId() << std::setw(15) <<
                      address.GetPublicIp() << std::setw(10) << domainString <<
                      std::setw(30) << address.GetAllocationId() << std::setw(25)
                      << address.GetNetworkInterfaceId() << std::endl;
        }
    } else {
        std::cerr << "Failed to describe Elastic IP addresses:" <<
                  outcome.GetError().GetMessage() << std::endl;
    }

    return outcome.IsSuccess();
}

Example 1: To retrieve details about all of your Elastic IP addresses

The following describe addresses example displays details about your Elastic IP addresses.

aws ec2 describe-addresses

Output:

{
    "Addresses": [
        {
            "InstanceId": "i-1234567890abcdef0",
            "PublicIp": "198.51.100.0",
            "PublicIpv4Pool": "amazon",
            "Domain": "standard"
        },
        {
            "Domain": "vpc",
            "PublicIpv4Pool": "amazon",
            "InstanceId": "i-1234567890abcdef0",
            "NetworkInterfaceId": "eni-12345678",
            "AssociationId": "eipassoc-12345678",
            "NetworkInterfaceOwnerId": "123456789012",
            "PublicIp": "203.0.113.0",
            "AllocationId": "eipalloc-12345678",
            "PrivateIpAddress": "10.0.1.241"
        }
    ]
}

Example 2: To retrieve details your Elastic IP addresses for EC2-VPC

The following describe-addresses example displays details about your Elastic IP addresses for use with instances in a VPC.

aws ec2 describe-addresses \
    --filters "Name=domain,Values=vpc"

Output:

{
    "Addresses": [
        {
            "Domain": "vpc",
            "PublicIpv4Pool": "amazon",
            "InstanceId": "i-1234567890abcdef0",
            "NetworkInterfaceId": "eni-12345678",
            "AssociationId": "eipassoc-12345678",
            "NetworkInterfaceOwnerId": "123456789012",
            "PublicIp": "203.0.113.0",
            "AllocationId": "eipalloc-12345678",
            "PrivateIpAddress": "10.0.1.241"
        }
    ]
}

Example 3: To retrieve details about an Elastic IP address specified by allocation ID

The following describe-addresses example displays details about the Elastic IP address with the specified allocation ID, which is associated with an instance in EC2-VPC.

aws ec2 describe-addresses \
    --allocation-ids eipalloc-282d9641

Output:

{
    "Addresses": [
        {
            "Domain": "vpc",
            "PublicIpv4Pool": "amazon",
            "InstanceId": "i-1234567890abcdef0",
            "NetworkInterfaceId": "eni-1a2b3c4d",
            "AssociationId": "eipassoc-123abc12",
            "NetworkInterfaceOwnerId": "1234567891012",
            "PublicIp": "203.0.113.25",
            "AllocationId": "eipalloc-282d9641",
            "PrivateIpAddress": "10.251.50.12"
        }
    ]
}

Example 4: To retrieve details about an Elastic IP address specified by its VPC private IP address

The following describe-addresses example displays details about the Elastic IP address associated with a particular private IP address in EC2-VPC.

aws ec2 describe-addresses \
    --filters "Name=private-ip-address,Values=10.251.50.12"

Example 5: To retrieve details about Elastic IP addresses in EC2-Classic

TThe following describe-addresses example displays details about your Elastic IP addresses for use in EC2-Classic.

aws ec2 describe-addresses \
    --filters "Name=domain,Values=standard"

Output:

{
    "Addresses": [
        {
            "InstanceId": "i-1234567890abcdef0",
            "PublicIp": "203.0.110.25",
            "PublicIpv4Pool": "amazon",
            "Domain": "standard"
        }
    ]
}

Example 6: To retrieve details about an Elastic IP addresses specified by its public IP address

The following describe-addresses example displays details about the Elastic IP address with the value 203.0.110.25, which is associated with an instance in EC2-Classic.

aws ec2 describe-addresses \
    --public-ips 203.0.110.25

Output:

{
    "Addresses": [
        {
            "InstanceId": "i-1234567890abcdef0",
            "PublicIp": "203.0.110.25",
            "PublicIpv4Pool": "amazon",
            "Domain": "standard"
        }
    ]
}

import { DescribeAddressesCommand, EC2Client } from "@aws-sdk/client-ec2";

/**
 * Describes the specified Elastic IP addresses or all of your Elastic IP addresses.
 * @param {{ allocationId: string }} options
 */
export const main = async ({ allocationId }) => {
  const client = new EC2Client({});
  const command = new DescribeAddressesCommand({
    // You can omit this property to show all addresses.
    AllocationIds: [allocationId],
  });

  try {
    const { Addresses } = await client.send(command);
    const addressList = Addresses.map((address) => ` • ${address.PublicIp}`);
    console.log("Elastic IP addresses:");
    console.log(addressList.join("\n"));
  } catch (caught) {
    if (
      caught instanceof Error &&
      caught.name === "InvalidAllocationID.NotFound"
    ) {
      console.warn(`${caught.message}. Please provide a valid AllocationId.`);
    } else {
      throw caught;
    }
  }
};

Example 1: This example describes the specified Elastic IP address for instances in EC2-Classic.

Get-EC2Address -AllocationId eipalloc-12345678

Output:

AllocationId            : eipalloc-12345678
AssociationId           : eipassoc-12345678
Domain                  : vpc
InstanceId              : i-87654321
NetworkInterfaceId      : eni-12345678
NetworkInterfaceOwnerId : 12345678
PrivateIpAddress        : 10.0.2.172
PublicIp                : 198.51.100.2

Example 2: This example describes your Elastic IP addresses for instances in a VPC. This syntax requires PowerShell version 3 or later.

Get-EC2Address -Filter @{ Name="domain";Values="vpc" }

Example 3: This example describes the specified Elastic IP address for instances in EC2-Classic.

Get-EC2Address -PublicIp 203.0.113.17

Output:

AllocationId            :
AssociationId           :
Domain                  : standard
InstanceId              : i-12345678
NetworkInterfaceId      :
NetworkInterfaceOwnerId :
PrivateIpAddress        :
PublicIp                : 203.0.113.17

Example 4: This example describes your Elastic IP addresses for instances in EC2-Classic. This syntax requires PowerShell version 3 or later.

Get-EC2Address -Filter @{ Name="domain";Values="standard" }

Example 5: This example describes all your Elastic IP addresses.

Get-EC2Address

Example 6: This example returns the public and private IP for the instance id provided in filter

Get-EC2Address -Region eu-west-1 -Filter @{Name="instance-id";Values="i-0c12d3f4f567ffb89"} | Select-Object PrivateIpAddress, PublicIp

Output:

PrivateIpAddress PublicIp
---------------- --------
10.0.0.99        63.36.5.227

Example 7: This example retrieves all the Elastic IPs with its allocation id, association id and instance ids

Get-EC2Address -Region eu-west-1 | Select-Object InstanceId, AssociationId, AllocationId, PublicIp

Output:

InstanceId          AssociationId              AllocationId               PublicIp
----------          -------------              ------------               --------
                                               eipalloc-012e3b456789e1fad 17.212.120.178
i-0c123dfd3415bac67 eipassoc-0e123456bb7890bdb eipalloc-01cd23ebf45f7890c 17.212.124.77
                                               eipalloc-012345678eeabcfad 17.212.225.7
i-0123d405c67e89a0c eipassoc-0c123b456783966ba eipalloc-0123cdd456a8f7892 37.216.52.173
i-0f1bf2f34c5678d09 eipassoc-0e12934568a952d96 eipalloc-0e1c23e4d5e6789e4 37.218.222.278
i-012e3cb4df567e8aa eipassoc-0d1b2fa4d67d03810 eipalloc-0123f456f78a01b58 37.210.82.27
i-0123bcf4b567890e1 eipassoc-01d2345f678903fb1 eipalloc-0e1db23cfef5c45c7 37.215.222.270

Example 8: This example fetches list of EC2 IP addresses matching tag key 'Category' with value 'Prod'

Get-EC2Address -Filter @{Name="tag:Category";Values="Prod"}

Output:

AllocationId            : eipalloc-0123f456f81a01b58
AssociationId           : eipassoc-0d1b23a456d103810
CustomerOwnedIp         :
CustomerOwnedIpv4Pool   :
Domain                  : vpc
InstanceId              : i-012e3cb4df567e1aa
NetworkBorderGroup      : eu-west-1
NetworkInterfaceId      : eni-0123f41d5a60d5f40
NetworkInterfaceOwnerId : 123456789012
PrivateIpAddress        : 192.168.1.84
PublicIp                : 34.250.81.29
PublicIpv4Pool          : amazon
Tags                    : {Category, Name}

    TRY.
        oo_result = lo_ec2->describeaddresses( ) .                        " oo_result is returned for testing purposes. "
        DATA(lt_addresses) = oo_result->get_addresses( ).
        MESSAGE 'Retrieved information about Elastic IP addresses.' TYPE 'I'.
      CATCH /aws1/cx_rt_service_generic INTO DATA(lo_exception).
        DATA(lv_error) = |"{ lo_exception->av_err_code }" - { lo_exception->av_err_msg }|.
        MESSAGE lv_error TYPE 'E'.
    ENDTRY.