AWS: 169.254.169.254

Instance metadata https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html

TOKEN=$(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 21600")
curl --silent "-ec2-metadata-token: $TOKEN" http://169.254.169.254/latest/meta-data/iam/security-credentials/role-name

See also

• AWS EC2, Amazon EC2 API, aws ec2, AWS::EC2, Amazon EC2 Spot Instances, CPU credits, Instance type, EC2 limitations, 169.254.169.254, Instance metadata and user data (IMDS), InstanceType, InstanceId, Amazon EC2 Auto Scaling, AWS EC2 Instance Connect, launch template, lifecycle, AWS Security group (SG), Amazon EC2 Recycle Bin, Amazon EC2 Mac Instances, Global View