EC2 Instances No Public IP Check

AWSTemplateFormatVersion: '2010-09-09'
Description: ''
Resources:
  ConfigRule:
    Type: 'AWS::Config::ConfigRule'
    Properties:
      ConfigRuleName: ec2-instance-no-public-ip
      Description: >-
        A Config rule that checks whether Amazon Elastic Compute Cloud (Amazon
        EC2) instances have a public IP association. The rule is NON_COMPLIANT
        if the publicIp field is present in the Amazon EC2 instance
        configuration item. This rule applies only to IPv4
      Scope:
        ComplianceResourceTypes:
          - 'AWS::EC2::Instance'
      Source:
        Owner: AWS
        SourceIdentifier: EC2_INSTANCE_NO_PUBLIC_IP
Parameters: {}
Metadata: {}
Conditions: {}