You want to get the list of IP addresses of the Edge Server locations for Cloudfront. How can you get this easily?

Answer options:

A.Check the Cloudfront Console.
B.Use the Cloudfront API to query the IP addresses.
C.Download the ip-ranges.json file available from AWS.
D.Contact AWS

Answer – C
Amazon Web Services (AWS) publishes its current IP address ranges in JSON format. To view the current ranges, download ip-ranges.json
https://ip-ranges.amazonaws.com/ip-ranges.json
For more information on location of Edge servers , please refer to the below link:
http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/LocationsOfEdgeServers.html