How can I get notifications to check for Amazon Simple Storage Service (Amazon S3) IP address changes?
Create an Amazon Simple Notification Service (Amazon SNS) subscription, and then subscribe to the following SNS topic:
Note: For more information on this SNS topic, see Subscribe to AWS public IP address changes via Amazon SNS.
After the SNS subscription is configured, you receive a notification every time there's a change to the JSON file that contains AWS IP address ranges. To check for updated Amazon S3 IP addresses, you must filter the JSON file.
AWS IP address ranges