CreateManagedPrefixList - Amazon Elastic Compute Cloud


Creates a managed prefix list. You can specify one or more entries for the prefix list. Each entry consists of a CIDR block and an optional description.

Request Parameters

The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see Common Query Parameters.


The IP address type.

Valid Values: IPv4 | IPv6

Type: String

Required: Yes


Unique, case-sensitive identifier you provide to ensure the idempotency of the request. For more information, see Ensuring idempotency.

Constraints: Up to 255 UTF-8 characters in length.

Type: String

Required: No


Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.

Type: Boolean

Required: No


One or more entries for the prefix list.

Type: Array of AddPrefixListEntry objects

Array Members: Minimum number of 0 items. Maximum number of 100 items.

Required: No


The maximum number of entries for the prefix list.

Type: Integer

Required: Yes


A name for the prefix list.

Constraints: Up to 255 characters in length. The name cannot start with com.amazonaws.

Type: String

Required: Yes


The tags to apply to the prefix list during creation.

Type: Array of TagSpecification objects

Required: No

Response Elements

The following elements are returned by the service.


Information about the prefix list.

Type: ManagedPrefixList object


The ID of the request.

Type: String


For information about the errors that are common to all actions, see Common client error codes.



This example creates a managed prefix list with a maximum of 10 entries, and adds 2 entries. The prefix list support IPv4 CIDR blocks.

Sample Request &PrefixListName=tgw-attachments &Entry.1.Cidr= &Entry.1.Description=vpc-a &Entry.2.Cidr= &Entry.2.Description=vpc-b &MaxEntries=10 &AddressFamily=IPv4 &AUTHPARAMS

Sample Response

<CreateManagedPrefixListResponse xmlns=""> <requestId>2989de6e-5305-49c7-809a-example</requestId> <prefixList> <addressFamily>IPv4</addressFamily> <maxEntries>10</maxEntries> <ownerId>123456789012</ownerId> <prefixListArn>arn:aws:ec2:us-east-1:123456789012:prefix-list/pl-0123123123123abcd</prefixListArn> <prefixListId>pl-0123123123123abcd</prefixListId> <prefixListName>tgw-attachments</prefixListName> <state>create-in-progress</state> <tagSet/> <version>1</version> </prefixList> </CreateManagedPrefixListResponse>

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: