**To describe a DB subnet group** The following ``describe-db-subnet-groups`` example retrieves the details of the specified DB subnet group. :: aws rds describe-db-subnet-groups Output:: { "DBSubnetGroups": [ { "DBSubnetGroupName": "mydbsubnetgroup", "DBSubnetGroupDescription": "My DB Subnet Group", "VpcId": "vpc-971c12ee", "SubnetGroupStatus": "Complete", "Subnets": [ { "SubnetIdentifier": "subnet-d8c8e7f4", "SubnetAvailabilityZone": { "Name": "us-east-1a" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-718fdc7d", "SubnetAvailabilityZone": { "Name": "us-east-1f" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-cbc8e7e7", "SubnetAvailabilityZone": { "Name": "us-east-1a" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-0ccde220", "SubnetAvailabilityZone": { "Name": "us-east-1a" }, "SubnetStatus": "Active" } ], "DBSubnetGroupArn": "arn:aws:rds:us-east-1:123456789012:subgrp:mydbsubnetgroup" } ] } For more information, see `Amazon Virtual Private Cloud VPCs and Amazon RDS <https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_VPC.html>`__ in the *Amazon RDS User Guide*.