Work with Amazon-managed prefix lists - Amazon Virtual Private Cloud
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Work with Amazon-managed prefix lists

Amazon-managed prefix lists are sets of IP address ranges for Amazon services.

Use an Amazon-managed prefix list

Amazon-managed prefix lists are created and maintained by Amazon and can be used by anyone with an Amazon account. You cannot create, modify, share, or delete an Amazon-managed prefix list.

You can see the available Amazon-managed prefix lists and the prefix list IDs in the following ways:

The following Amazon-managed prefix lists are available:

Prefix list name Amazon service


Amazon S3



Amazon CloudFront

As with customer-managed prefix lists, Amazon-managed prefix lists can be used with Amazon resources such as security groups and route tables. For more information, see Reference prefix lists in your Amazon resources.

Amazon-managed prefix list weight

The Amazon-managed prefix list weight refers to the number of entries a prefix list will take up in a resource.

Prefix list name Amazon service Weight


Amazon S3



DynamoDB 1

Amazon CloudFront 55

The Amazon CloudFront managed prefix list weight is unique in how it affects Amazon VPC quotas:

For more information, see Use the CloudFront managed prefix list in the Amazon CloudFront Developer Guide.