Is it on AWS?
Discover whether something on the Web is on AWS.
This works by looking up IP addresses in the
IP Address Ranges JSON file
published regularly by AWS.
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It’s perfectly possible that the site you looked up is using a
content delivery network other than CloudFront, or has its front page
on its own computers but most of its business logic on AWS (or
vice-versa). So the picture isn’t as simple as this page might make it
look.
This site makes use of several AWS services in an interesting way;
details are in this
blog.
Also, the
source code is
available.