eip-attached
Checks if all Elastic IP addresses that are allocated to an AWS account are attached to EC2 instances or in-use elastic network interfaces (ENIs).
Results might take up to 6 hours to become available after an evaluation occurs.
Identifier: EIP_ATTACHED
Resource Types: AWS::EC2::EIP
Trigger type: Configuration changes
AWS Region: All supported AWS regions except Middle East (UAE) Region
Parameters:
- None
AWS CloudFormation template
To create AWS Config managed rules with AWS CloudFormation templates, see Creating AWS Config Managed Rules With AWS CloudFormation Templates.

