How to find EC2 instances running a certain AMI?

The following steps are used to find EC2 instances running a certain AMI.

• Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
• In the navigation pane, choose AMIs.
• In the navigation pane, choose Snapshots, and select the snapshot (look for the AMI ID in the Description column).
• (Optional) If you are finished with an instance that you launched from the AMI, terminate it