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Amazon Route 53
Developer Guide (API Version 2013-04-01)

IP Address Ranges of Amazon Route 53 Servers

Amazon Web Services (AWS) publishes its current IP address ranges in JSON format. To view the current ranges, download ip-ranges.json. For more information, see AWS IP Address Ranges in the Amazon Web Services General Reference.

To find the IP address ranges that are associated with Amazon Route 53 name servers, search ip-ranges.json for the following string:

"service": "ROUTE53"

To find the IP address ranges that are associated with Amazon Route 53 health checkers, search ip-ranges.json for the following string:

"service": "ROUTE53_HEALTHCHECKS"