Bring your own public IPv4 CIDR to IPAM using only the Amazon CLI - Amazon Virtual Private Cloud
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Bring your own public IPv4 CIDR to IPAM using only the Amazon CLI

Follow these steps to bring an IPv4 CIDR to IPAM and allocate an Elastic IP address (EIP) with the CIDR using only the Amazon CLI.

Important

Step 1: Create Amazon CLI named profiles and IAM roles

To complete this tutorial as a single Amazon user, you can use Amazon CLI named profiles to switch from one IAM role to another. Named profiles are collections of settings and credentials that you refer to when using the --profile option with the Amazon CLI. For more information about how to create IAM roles and named profiles for Amazon accounts, see Using an IAM role in the Amazon CLI in the Amazon Identity and Access Management User Guide.

Create one role and one named profile for each of the three Amazon accounts you will use in this tutorial:

  • A profile called management-account for the Amazon Organizations management account.

  • A profile called ipam-account for the Amazon Organizations member account that is configured to be your IPAM administrator.

  • A profile called member-account for the Amazon Organizations member account in your organization which will allocate CIDRs from an IPAM pool.

After you have created the IAM roles and named profiles, return to this page and go to the next step. You will notice throughout the rest of this tutorial that the sample Amazon CLI commands use the --profile option with one of the named profiles to indicate which account must run the command.

Step 2: Create an IPAM

This step is optional. If you already have an IPAM created with operating Regions of us-east-1 and us-west-2 created, you can skip this step. Create an IPAM and specify an operating region of us-east-1 and us-west-2 . You must select an operating region so that you can use the locale option when you create your IPAM pool. The IPAM integration with BYOIP requires that the locale is set on whichever pool will be used for the BYOIP CIDR.

This step must be done by the IPAM account.

Run the following command:

aws ec2 create-ipam --description my-ipam --region us-east-1 --operating-regions RegionName=us-west-2 --profile ipam-account

In the output, you'll see the IPAM you've created. Note the value for PublicDefaultScopeId. You will need your public scope ID in the next step. You are using the public scope because BYOIP CIDRs are public IP addresses, which is what the public scope is meant for.

{ "Ipam": { "OwnerId": "123456789012", "IpamId": "ipam-090e48e75758de279", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "PublicDefaultScopeId": "ipam-scope-0087d83896280b594", "PrivateDefaultScopeId": "ipam-scope-08b70b04fbd524f8d", "ScopeCount": 2, "Description": "my-ipam", "OperatingRegions": [ { "RegionName": "us-east-1" }, { "RegionName": "us-west-2" } ], "Tags": [] } }

Step 3: Create a top-level IPAM pool

Complete the steps in this section to create a top-level IPAM pool.

This step must be done by the IPAM account.

To create an IPv4 address pool for all of your Amazon resources using the Amazon CLI
  1. Run the following command to create an IPAM pool. Use the ID of the public scope of the IPAM that you created in the previous step.

    This step must be done by the IPAM account.

    aws ec2 create-ipam-pool --region us-east-1 --ipam-scope-id ipam-scope-0087d83896280b594 --description "top-level-IPv4-pool" --address-family ipv4 --profile ipam-account

    In the output, you'll see create-in-progress, which indicates that pool creation is in progress.

    { "IpamPool": { "OwnerId": "123456789012", "IpamPoolId": "ipam-pool-0a03d430ca3f5c035", "IpamPoolArn": "arn:aws:ec2::123456789012:ipam-pool/ipam-pool-0a03d430ca3f5c035", "IpamScopeArn": "arn:aws:ec2::123456789012:ipam-scope/ipam-scope-0087d83896280b594", "IpamScopeType": "public", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "Locale": "None", "PoolDepth": 1, "State": "create-in-progress", "Description": "top-level-pool", "AutoImport": false, "AddressFamily": "ipv4", "Tags": [] } }
  2. Run the following command until you see a state of create-complete in the output.

    aws ec2 describe-ipam-pools --region us-east-1 --profile ipam-account

    The following example output shows the state of the pool.

    { "IpamPools": [ { "OwnerId": "123456789012", "IpamPoolId": "ipam-pool-0a03d430ca3f5c035", "IpamPoolArn": "arn:aws:ec2::123456789012:ipam-pool/ipam-pool-0a03d430ca3f5c035", "IpamScopeArn": "arn:aws:ec2::123456789012:ipam-scope/ipam-scope-0087d83896280b594", "IpamScopeType": "public", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "Locale": "None", "PoolDepth": 1, "State": "create-complete", "Description": "top-level-IPV4-pool", "AutoImport": false, "AddressFamily": "ipv4", "Tags": [] } ] }

Step 4: Provision a CIDR to the top-level pool

Provision a CIDR block to the top-level pool. Note that when provisioning an IPv4 CIDR to a pool within the top-level pool, the minimum IPv4 CIDR you can provision is /24; more specific CIDRs (such as /25) are not permitted.

Note

You only need to verify domain control when you provision the BYOIP CIDR to the top-level pool. For the Regional pool within the top-level pool, you can omit the domain ownership verification option.

This step must be done by the IPAM account.

Important

You only need to verify domain control when you provision the BYOIP CIDR to the top-level pool. For the Regional pool within the top-level pool, you can omit the domain control option. Once you onboard your BYOIP to IPAM, you are not required to perform ownership validation when you divide the BYOIP across Regions and accounts.

To provision a CIDR block to the pool using the Amazon CLI
  1. To provision the CIDR with certificate information, use the following command example. In addition to replacing the values as needed in the example, ensure that you replace Message and Signature values with the text_message and signed_message values that you got in Verify your domain with an X.509 certificate.

    aws ec2 provision-ipam-pool-cidr --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --cidr 130.137.245.0/24 --verification-method remarks-x509 --cidr-authorization-context Message="1|aws|470889052444|130.137.245.0/24|20250101|SHA256|RSAPSS",Signature="W3gdQ9PZHLjPmrnGM~cvGx~KCIsMaU0P7ENO7VRnfSuf9NuJU5RUveQzus~QmF~Nx42j3z7d65uyZZiDRX7KMdW4KadaLiClyRXN6ps9ArwiUWSp9yHM~U-hApR89Kt6GxRYOdRaNx8yt-uoZWzxct2yIhWngy-du9pnEHBOX6WhoGYjWszPw0iV4cmaAX9DuMs8ASR83K127VvcBcRXElT5URr3gWEB1CQe3rmuyQk~gAdbXiDN-94-oS9AZlafBbrFxRjFWRCTJhc7Cg3ASbRO-VWNci-C~bWAPczbX3wPQSjtWGV3k1bGuD26ohUc02o8oJZQyYXRpgqcWGVJdQ__" --profile ipam-account

    To provision the CIDR with verification token information, use the following command example. In addition to replacing the values as needed in the example, ensure that you replace ipam-ext-res-ver-token-0309ce7f67a768cf0 with the IpamExternalResourceVerificationTokenId token ID that you got in Verify your domain with a DNS TXT record.

    aws ec2 provision-ipam-pool-cidr --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --cidr 130.137.245.0/24 --verification-method dns-token --ipam-external-resource-verification-token-id ipam-ext-res-ver-token-0309ce7f67a768cf0 --profile ipam-account

    In the output, you'll see the CIDR pending provision.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "pending-provision" } }
  2. Ensure that this CIDR has been provisioned before you continue.

    Important

    While most provisioning will be completed within two hours, it may take up to one week to complete the provisioning process for publicly advertisable ranges.

    Run the following command until you see a state of provisioned in the output.

    aws ec2 get-ipam-pool-cidrs --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --profile ipam-account

    The following example output shows the state.

    { "IpamPoolCidrs": [ { "Cidr": "130.137.245.0/24", "State": "provisioned" } ] }

Step 5: Create a Regional pool within the top-level pool

Create a Regional pool within the top-level pool.

The locale for the pool should be one of the following:

  • An Amazon Region where you want this IPAM pool to be available for allocations.

  • The network border group for an Amazon Local Zone where you want this IPAM pool to be available for allocations (supported Local Zones). This option is only available for IPAM IPv4 pools in the public scope.

  • An Amazon Dedicated Local Zone. To create a pool within an Amazon Dedicated Local Zone, enter the Amazon Dedicated Local Zone in the selector input.

For example, you can only allocate a CIDR for a VPC from an IPAM pool that shares a locale with the VPC’s Region. Note that when you have chosen a locale for a pool, you cannot modify it. If the home Region of the IPAM is unavailable due to an outage and the pool has a locale different than the home Region of the IPAM, the pool can still be used to allocate IP addresses.

When you run the commands in this section, the value for --region must include the --locale option you entered when you created the pool that will be used for the BYOIP CIDR. For example, if you created the BYOIP pool with a locale of us-east-1, the --region should be us-east-1. If you created the BYOIP pool with a locale of us-east-1-scl-1 (a network border group used for Local Zones), the --region should be us-east-1 because that Region manages the locale us-east-1-scl-1.

This step must be done by the IPAM account.

Choosing a locale ensures there are no cross-region dependencies between your pool and the resources allocating from it. The available options come from the operating Regions that you chose when you created your IPAM. In this tutorial, we'll use us-west-2 as the locale for the Regional pool.

Important

When you create the pool, you must include --aws-service ec2. The service you select determines the Amazon service where the CIDR will be advertisable. Currently, the only option is ec2, which means that the CIDRs allocated from this pool will be advertisable for the Amazon EC2 service (for Elastic IP addresses) and the Amazon VPC service (for CIDRs associated with VPCs).

To create a Regional pool using the Amazon CLI
  1. Run the following command to create the pool.

    aws ec2 create-ipam-pool --description "Regional-IPv4-pool" --region us-east-1 --ipam-scope-id ipam-scope-0087d83896280b594 --source-ipam-pool-id ipam-pool-0a03d430ca3f5c035 --locale us-west-2 --address-family ipv4 --aws-service ec2 --profile ipam-account

    In the output, you'll see IPAM creating the pool.

    { "IpamPool": { "OwnerId": "123456789012", "IpamPoolId": "ipam-pool-0d8f3646b61ca5987", "SourceIpamPoolId": "ipam-pool-0a03d430ca3f5c035", "IpamPoolArn": "arn:aws:ec2::123456789012:ipam-pool/ipam-pool-0d8f3646b61ca5987", "IpamScopeArn": "arn:aws:ec2::123456789012:ipam-scope/ipam-scope-0087d83896280b594", "IpamScopeType": "public", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "Locale": "us-west-2", "PoolDepth": 2, "State": "create-in-progress", "Description": "Regional--pool", "AutoImport": false, "AddressFamily": "ipv4", "Tags": [], "ServiceType": "ec2" } }
  2. Run the following command until you see a state of create-complete in the output.

    aws ec2 describe-ipam-pools --region us-east-1 --profile ipam-account

    In the output, you see the pools that you have in your IPAM. In this tutorial, we created a top-level and a Regional pool, so you'll see them both.

Step 6: Provision a CIDR to the Regional pool

Provision a CIDR block to the Regional pool.

Note

When provisioning a CIDR to a Regional pool within the top-level pool, the most specific IPv4 CIDR you can provision is /24; more specific CIDRs (such as /25) are not permitted. After you create the Regional pool, you can create smaller pools (such as /25) within the same Regional pool. Note that if you share the Regional pool or pools within it, these pools can only be used in the locale set on the same Regional pool.

This step must be done by the IPAM account.

To assign a CIDR block to the Regional pool using the Amazon CLI
  1. Run the following command to provision the CIDR.

    aws ec2 provision-ipam-pool-cidr --region us-east-1 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --cidr 130.137.245.0/24 --profile ipam-account

    In the output, you'll see the CIDR pending provision.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "pending-provision" } }
  2. Run the following command until you see the state of provisioned in the output.

    aws ec2 get-ipam-pool-cidrs --region us-east-1 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    The following example output shows the correct state.

    { "IpamPoolCidrs": [ { "Cidr": "130.137.245.0/24", "State": "provisioned" } ] }

Step 7: Advertise the CIDR

The steps in this section must be done by the IPAM account. Once you associate the Elastic IP address (EIP) with an instance or Elastic Load Balancer, you can then start advertising the CIDR you brought to Amazon that is in pool that has --aws-service ec2 defined. In this tutorial, that's your Regional pool. By default the CIDR is not advertised, which means it's not publicly accessible over the internet. When you run the command in this section, the value for --region must match the --locale option you entered when you created the pool that will be used for the BYOIP CIDR.

This step must be done by the IPAM account.

Note

The advertisement status doesn't not restrict your ability to allocate Elastic IP addresses. Even if your BYOIPv4 CIDR is not advertised, you can still can create EIPs from the IPAM pool.

Start advertising the CIDR using the Amazon CLI
  • Run the following command to advertise the CIDR.

    aws ec2 advertise-byoip-cidr --region us-west-2 --cidr 130.137.245.0/24 --profile ipam-account

    In the output, you'll see the CIDR is advertised.

    { "ByoipCidr": { "Cidr": "130.137.245.0/24", "State": "advertised" } }

Step 8: Share the Regional pool

Follow the steps in this section to share the IPAM pool using Amazon Resource Access Manager (RAM).

Enable resource sharing in Amazon RAM

After you create your IPAM, you’ll want to share the regional pool with other accounts in your organization. Before you share an IPAM pool, complete the steps in this section to enable resource sharing with Amazon RAM. If you are using the Amazon CLI to enable resource sharing, use the --profile management-account option.

To enable resource sharing
  1. Using the Amazon Organizations management account, open the Amazon RAM console at https://console.aws.amazon.com/ram/.

  2. In the left navigation pane, choose Settings, choose Enable sharing with Amazon Organizations, and then choose Save settings.

You can now share an IPAM pool with other members of the organization.

Share an IPAM pool using Amazon RAM

In this section you’ll share the regional pool with another Amazon Organizations member account. For complete instructions on sharing IPAM pools, including information on the required IAM permissions, see Share an IPAM pool using Amazon RAM. If you are using the Amazon CLI to enable resource sharing, use the --profile ipam-account option.

To share an IPAM pool using Amazon RAM
  1. Using the IPAM admin account, open the IPAM console at https://console.amazonaws.cn/ipam/.

  2. In the navigation pane, choose Pools.

  3. Choose the private scope, choose the IPAM pool, and choose Actions > View details.

  4. Under Resource sharing, choose Create resource share. The Amazon RAM console opens. You share the pool using Amazon RAM.

  5. Choose Create a resource share.

  6. In the Amazon RAM console, choose Create a resource share again.

  7. Add a Name for the shared pool.

  8. Under Select resource type, choose IPAM pools, and then choose the ARN of the pool you want to share.

  9. Choose Next.

  10. Choose the AWSRAMPermissionIpamPoolByoipCidrImport permission. The details of the permission options are out of scope for this tutorial, but you can find out more about these options in Share an IPAM pool using Amazon RAM.

  11. Choose Next.

  12. Under Principals > Select principal type, choose Amazon account and enter the account ID of the account that will be bringing an IP address range to IPAM and choose Add .

  13. Choose Next.

  14. Review the resource share options and the principals that you’ll be sharing with, and then choose Create.

  15. To allow the member-account account to allocate IP address CIDRS from the IPAM pool, create a second resource share with AWSRAMDefaultPermissionsIpamPool. The value for --resource-arns is the ARN of the IPAM pool that you created in the previous section. The value for --principals is the account ID of the member-account. The value for --permission-arns is the ARN of the AWSRAMDefaultPermissionsIpamPool permission.

Step 9: Allocate an Elastic IP address from the pool

Complete the steps in this section to allocate an Elastic IP address from the pool. Note that if you are using public IPv4 pools to allocate Elastic IP addresses, you can use the alternative steps in Alternative to Step 9 rather than the steps in this section.

Important

If you see an error related to not having permissions to call ec2:AllocateAddress, the managed permission currently assigned to the IPAM pool that was shared with you needs to be updated. Contact the person who created the resource share and ask them to update the managed permission AWSRAMPermissionIpamResourceDiscovery to the default version. For more information, see Update a resource share in the Amazon RAM User Guide .

Amazon Management Console

Follow the steps in Allocate an Elastic IP address in the Amazon EC2 User Guide to allocate the address, but note the following:

  • This step must be done by the member account.

  • Ensure that the Amazon Region you are in in the EC2 console matches the Locale option you chose when you created the Regional pool.

  • When you choose the address pool, choose the option to Allocate using an IPv4 IPAM pool and choose the Regional pool you created.

Command line

Allocate an address from the pool with the allocate-address command. The --region you use must match the -locale option you chose when you created the pool in Step 2. Include the ID of the IPAM pool you created in Step 2 in --ipam-pool-id. Optionally, you can also choose a specific /32 in your IPAM pool by using the --address option.

aws ec2 allocate-address --region us-east-1 --ipam-pool-id ipam-pool-07ccc86aa41bef7ce

Example response:

{ "PublicIp": "18.97.0.41", "AllocationId": "eipalloc-056cdd6019c0f4b46", "PublicIpv4Pool": "ipam-pool-07ccc86aa41bef7ce", "NetworkBorderGroup": "us-east-1", "Domain": "vpc" }

For more information, see Allocate an Elastic IP address in the Amazon EC2 User Guide.

Step 10: Associate the Elastic IP address with an EC2 instance

Complete the steps in this section to associate the Elastic IP address with an EC2 instance.

Amazon Management Console

Follow the steps in Associate an Elastic IP address in the Amazon EC2 User Guide to allocate an Elastic IP address from the IPAM pool, but note the following: When you use Amazon Management Console option, the Amazon Region you associate the Elastic IP address in must match the Locale option you chose when you created the Regional pool.

This step must be done by the member account.

Command line

This step must be done by the member account. Use the --profile member-account option.

Associate the Elastic IP address with an instance with the associate-address command. The --region you associate the Elastic IP address in must match the --locale option you chose when you created the Regional pool.

aws ec2 associate-address --region us-east-1 --instance-id i-07459a6fca5b35823 --public-ip 18.97.0.41

Example response:

{ "AssociationId": "eipassoc-06aa85073d3936e0e" }

For more information, see Associate an Elastic IP address with an instance or network interface in the Amazon EC2 User Guide.

Step 11: Cleanup

Follow the steps in this section to clean up the resources you've provisioned and created in this tutorial. When you run the commands in this section, the value for --region must include the --locale option you entered when you created the pool that will be used for the BYOIP CIDR.

Clean up using the Amazon CLI
  1. View the EIP allocation managed in IPAM.

    This step must be done by the IPAM account.

    aws ec2 get-ipam-pool-allocations --region us-west-2 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    The output shows the allocation in IPAM.

    { "IpamPoolAllocations": [ { "Cidr": "130.137.245.0/24", "IpamPoolAllocationId": "ipam-pool-alloc-5dedc8e7937c4261b56dc3e3eb53dc45", "ResourceId": "ipv4pool-ec2-0019eed22a684e0b2", "ResourceType": "ec2-public-ipv4-pool", "ResourceOwner": "123456789012" } ] }
  2. Stop advertising the IPv4 CIDR.

    This step must be done by the IPAM account.

    aws ec2 withdraw-byoip-cidr --region us-west-2 --cidr 130.137.245.0/24 --profile ipam-account

    In the output, you'll see the CIDR State has changed from advertised to provisioned.

    { "ByoipCidr": { "Cidr": "130.137.245.0/24", "State": "provisioned" } }
  3. Release the Elastic IP address.

    This step must be done by the member account.

    aws ec2 release-address --region us-west-2 --allocation-id eipalloc-0db3405026756dbf6 --profile member-account

    You will not see any output when you run this command.

  4. View the EIP allocation is no longer managed in IPAM. It can take some time for IPAM to discover that the Elastic IP address has been removed. You cannot continue to clean up and deprovision the IPAM pool CIDR until you see that the allocation has been removed from IPAM. When you run the command in this section, the value for --region must include the --locale option you entered when you created the pool that will be used for the BYOIP CIDR.

    This step must be done by the IPAM account.

    aws ec2 get-ipam-pool-allocations --region us-west-2 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    The output shows the allocation in IPAM.

    { "IpamPoolAllocations": [] }
  5. Deprovision the Regional pool CIDR. When you run the commands in this step, the value for --region must match the Region of your IPAM.

    This step must be done by the IPAM account.

    aws ec2 deprovision-ipam-pool-cidr --region us-east-1 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --cidr 130.137.245.0/24 --profile ipam-account

    In the output, you'll see the CIDR pending deprovision.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "pending-deprovision" } }

    Deprovisioning takes time to complete. Check the status of deprovisioning.

    aws ec2 get-ipam-pool-cidrs --region us-east-1 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    Wait until you see deprovisioned before you continue to the next step.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "deprovisioned" } }
  6. Delete the RAM shares and disable RAM integration with Amazon Organizations. Complete the steps in Deleting a resource share in Amazon RAM and Disabling resource sharing with Amazon Organizations in the Amazon RAM User Guide, in that order, to delete the RAM shares and disable RAM integration with Amazon Organizations.

    This step must be done by the IPAM account and management account respectively. If you are using the Amazon CLI to delete the RAM shares and disable RAM integration, use the --profile ipam-account and --profile management-account options.

  7. Delete the Regional pool. When you run the command in this step, the value for --region must match the Region of your IPAM.

    This step must be done by the IPAM account.

    aws ec2 delete-ipam-pool --region us-east-1 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    In the output, you can see the delete state.

    { "IpamPool": { "OwnerId": "123456789012", "IpamPoolId": "ipam-pool-0d8f3646b61ca5987", "SourceIpamPoolId": "ipam-pool-0a03d430ca3f5c035", "IpamPoolArn": "arn:aws:ec2::123456789012:ipam-pool/ipam-pool-0d8f3646b61ca5987", "IpamScopeArn": "arn:aws:ec2::123456789012:ipam-scope/ipam-scope-0087d83896280b594", "IpamScopeType": "public", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "Locale": "us-east-1", "PoolDepth": 2, "State": "delete-in-progress", "Description": "reg-ipv4-pool", "AutoImport": false, "Advertisable": true, "AddressFamily": "ipv4" } }
  8. Deprovision the top-level pool CIDR. When you run the commands in this step, the value for --region must match the Region of your IPAM.

    This step must be done by the IPAM account.

    aws ec2 deprovision-ipam-pool-cidr --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --cidr 130.137.245.0/24 --profile ipam-account

    In the output, you'll see the CIDR pending deprovision.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "pending-deprovision" } }

    Deprovisioning takes time to complete. Run the following command to check the status of deprovisioning.

    aws ec2 get-ipam-pool-cidrs --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --profile ipam-account

    Wait until you see deprovisioned before you continue to the next step.

    { "IpamPoolCidr": { "Cidr": "130.137.245.0/24", "State": "deprovisioned" } }
  9. Delete the top-level pool. When you run the command in this step, the value for --region must match the Region of your IPAM.

    This step must be done by the IPAM account.

    aws ec2 delete-ipam-pool --region us-east-1 --ipam-pool-id ipam-pool-0a03d430ca3f5c035 --profile ipam-account

    In the output, you can see the delete state.

    { "IpamPool": { "OwnerId": "123456789012", "IpamPoolId": "ipam-pool-0a03d430ca3f5c035", "IpamPoolArn": "arn:aws:ec2::123456789012:ipam-pool/ipam-pool-0a03d430ca3f5c035", "IpamScopeArn": "arn:aws:ec2::123456789012:ipam-scope/ipam-scope-0087d83896280b594", "IpamScopeType": "public", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "Locale": "us-east-1", "PoolDepth": 2, "State": "delete-in-progress", "Description": "top-level-pool", "AutoImport": false, "Advertisable": true, "AddressFamily": "ipv4" } }
  10. Delete the IPAM. When you run the command in this step, the value for --region must match the Region of your IPAM.

    This step must be done by the IPAM account.

    aws ec2 delete-ipam --region us-east-1 --ipam-id ipam-090e48e75758de279 --profile ipam-account

    In the output, you'll see the IPAM response. This means that the IPAM was deleted.

    { "Ipam": { "OwnerId": "123456789012", "IpamId": "ipam-090e48e75758de279", "IpamArn": "arn:aws:ec2::123456789012:ipam/ipam-090e48e75758de279", "PublicDefaultScopeId": "ipam-scope-0087d83896280b594", "PrivateDefaultScopeId": "ipam-scope-08b70b04fbd524f8d", "ScopeCount": 2, "OperatingRegions": [ { "RegionName": "us-east-1" }, { "RegionName": "us-west-2" } ], } }

Alternative to Step 9

If you are using public IPv4 pools to allocate Elastic IP addresses, you can use the steps in this section rather than the steps in Step 9: Allocate an Elastic IP address from the pool.

Step 1: Create a public IPv4 pool

This step would typically be done by a different Amazon account which wants to provision an Elastic IP address, such as the member account.

Important

Public IPv4 pools and IPAM pools are managed by distinct resources in Amazon. Public IPv4 pools are single account resources that enable you to convert your publicly-owned CIDRs to Elastic IP addresses. IPAM pools can be used to allocate your public space to public IPv4 pools.

To create a public IPv4 pool using the Amazon CLI
  • Run the following command to provision the CIDR. When you run the command in this section, the value for --region must match the --locale option you entered when you created the pool that will be used for the BYOIP CIDR.

    aws ec2 create-public-ipv4-pool --region us-west-2 --profile member-account

    In the output, you'll see the public IPv4 pool ID. You will need this ID in the next step.

    { "PoolId": "ipv4pool-ec2-0019eed22a684e0b2" }

Step 2: Provision the public IPv4 CIDR to your public IPv4 pool

Provision the public IPv4 CIDR to your public IPv4 pool. The value for --region must match the --locale value you entered when you created the pool that will be used for the BYOIP CIDR. The least specific --netmask-length you can define is 24.

This step must be done by the member account.

To create a public IPv4 pool using the Amazon CLI
  1. Run the following command to provision the CIDR.

    aws ec2 provision-public-ipv4-pool-cidr --region us-west-2 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --pool-id ipv4pool-ec2-0019eed22a684e0b2 --netmask-length 24 --profile member-account

    In the output, you'll see the provisioned CIDR.

    { "PoolId": "ipv4pool-ec2-0019eed22a684e0b2", "PoolAddressRange": { "FirstAddress": "130.137.245.0", "LastAddress": "130.137.245.255", "AddressCount": 256, "AvailableAddressCount": 256 } }
  2. Run the following command to view the CIDR provisioned in the public IPv4 pool.

    aws ec2 describe-byoip-cidrs --region us-west-2 --max-results 10 --profile member-account

    In the output, you'll see the provisioned CIDR. By default the CIDR is not advertised, which means it's not publicly accessible over the internet. You will have the chance to set this CIDR to advertised in the last step of this tutorial.

    { "ByoipCidrs": [ { "Cidr": "130.137.245.0/24", "StatusMessage": "Cidr successfully provisioned", "State": "provisioned" } ] }

Step 3: Create an Elastic IP address from the public IPv4 pool

Create an Elastic IP address (EIP) from the public IPv4 pool. When you run the commands in this section, the value for --region must match the --locale option you entered when you created the pool that will be used for the BYOIP CIDR.

This step must be done by the member account.

To create an EIP from the public IPv4 pool using the Amazon CLI
  1. Run the following command to create the EIP.

    aws ec2 allocate-address --region us-west-2 --public-ipv4-pool ipv4pool-ec2-0019eed22a684e0b2 --profile member-account

    In the output, you'll see the allocation.

    { "PublicIp": "130.137.245.100", "AllocationId": "eipalloc-0db3405026756dbf6", "PublicIpv4Pool": "ipv4pool-ec2-0019eed22a684e0b2", "NetworkBorderGroup": "us-east-1", "Domain": "vpc" }
  2. Run the following command to view the EIP allocation managed in IPAM.

    This step must be done by the IPAM account.

    aws ec2 get-ipam-pool-allocations --region us-west-2 --ipam-pool-id ipam-pool-0d8f3646b61ca5987 --profile ipam-account

    The output shows the allocation in IPAM.

    { "IpamPoolAllocations": [ { "Cidr": "130.137.245.0/24", "IpamPoolAllocationId": "ipam-pool-alloc-5dedc8e7937c4261b56dc3e3eb53dc45", "ResourceId": "ipv4pool-ec2-0019eed22a684e0b2", "ResourceType": "ec2-public-ipv4-pool", "ResourceOwner": "123456789012" } ] }

Alternative to Step 9 cleanup

Complete these steps to clean up public IPv4 pools created with the alternative to Step 9. You should complete these steps after you release the Elastic IP address during the standard cleanup process in Step 10: Cleanup.

  1. View your BYOIP CIDRs.

    This step must be done by the member account.

    aws ec2 describe-public-ipv4-pools --region us-west-2 --profile member-account

    In the output, you'll see the IP addresses in your BYOIP CIDR.

    { "PublicIpv4Pools": [ { "PoolId": "ipv4pool-ec2-0019eed22a684e0b2", "Description": "", "PoolAddressRanges": [ { "FirstAddress": "130.137.245.0", "LastAddress": "130.137.245.255", "AddressCount": 256, "AvailableAddressCount": 256 } ], "TotalAddressCount": 256, "TotalAvailableAddressCount": 256, "NetworkBorderGroup": "us-east-1", "Tags": [] } ] }
  2. Release the last IP address in the CIDR from the public IPv4 pool. Enter the IP address with a netmask of /32. You must rerun this command for each IP address in the CIDR range. If your CIDR is a /24, you will have to run this command to deprovision each of the 256 IP addresses in the /24 CIDR. When you run the command in this section, the value for --region must match the Region of your IPAM.

    This step must be done by the member account.

    aws ec2 deprovision-public-ipv4-pool-cidr --region us-east-1 --pool-id ipv4pool-ec2-0019eed22a684e0b2 --cidr 130.137.245.255/32 --profile member-account

    In the output, you'll see the deprovisioned CIDR.

    { "PoolId": "ipv4pool-ec2-0019eed22a684e0b2", "DeprovisionedAddresses": [ "130.137.245.255" ] }
  3. View your BYOIP CIDRs again and ensure there are no more provisioned addresses. When you run the command in this section, the value for --region must match the Region of your IPAM.

    This step must be done by the member account.

    aws ec2 describe-public-ipv4-pools --region us-east-1 --profile member-account

    In the output, you'll see the IP addresses count in your public IPv4 pool.

    { "PublicIpv4Pools": [ { "PoolId": "ipv4pool-ec2-0019eed22a684e0b2", "Description": "", "PoolAddressRanges": [], "TotalAddressCount": 0, "TotalAvailableAddressCount": 0, "NetworkBorderGroup": "us-east-1", "Tags": [] } ] }