name : describe-instance-topology.rst **To describe the instance topology of all your instances** The following ``describe-instance-topology`` example describes the topology of all your instances that match the supported instance types for this command. :: aws ec2 describe-instance-topology \ --region us-west-2 Output:: { "Instances": [ { "InstanceId": "i-1111111111example", "InstanceType": "p4d.24xlarge", "GroupName": "my-ml-cpg", "NetworkNodes": [ "nn-1111111111example", "nn-2222222222example", "nn-3333333333example" ], "ZoneId": "usw2-az2", "AvailabilityZone": "us-west-2a" }, { "InstanceId": "i-2222222222example", "InstanceType": "p4d.24xlarge", "NetworkNodes": [ "nn-1111111111example", "nn-2222222222example", "nn-3333333333example" ], "ZoneId": "usw2-az2", "AvailabilityZone": "us-west-2a" }, { "InstanceId": "i-3333333333example", "InstanceType": "trn1.32xlarge", "NetworkNodes": [ "nn-1212121212example", "nn-1211122211example", "nn-1311133311example" ], "ZoneId": "usw2-az4", "AvailabilityZone": "us-west-2d" }, { "InstanceId": "i-444444444example", "InstanceType": "trn1.2xlarge", "NetworkNodes": [ "nn-1111111111example", "nn-5434334334example", "nn-1235301234example" ], "ZoneId": "usw2-az2", "AvailabilityZone": "us-west-2a" } ], "NextToken": "SomeEncryptedToken" } For more information, including more examples, see `Amazon EC2 instance topology <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-topology.html>`__ in the *Amazon EC2 User Guide*.