Data-2fiam-2fsecurity Credentials-2f — Fetch-url-http-3a-2f-2f169.254.169.254-2flatest-2fmeta

: This is a special IP address that is not routable on the public internet. It is an IP address that AWS instances automatically recognize as the "metadata service". When an instance is launched in AWS, it can access this IP address to get information about itself.

Here is a simplified overview of the process: : This is a special IP address that