**To describe replication instances** The following ``describe-replication-instances`` example lists the replication instances in your AWS account. :: aws dms describe-replication-instances Output:: { "ReplicationInstances": [ { "ReplicationInstanceIdentifier": "my-repl-instance", "ReplicationInstanceClass": "dms.t2.micro", "ReplicationInstanceStatus": "available", "AllocatedStorage": 5, "InstanceCreateTime": 1590011235.952, "VpcSecurityGroups": [ { "VpcSecurityGroupId": "sg-f839b688", "Status": "active" } ], "AvailabilityZone": "us-east-1e", "ReplicationSubnetGroup": { "ReplicationSubnetGroupIdentifier": "default", "ReplicationSubnetGroupDescription": "default", "VpcId": "vpc-136a4c6a", "SubnetGroupStatus": "Complete", "Subnets": [ { "SubnetIdentifier": "subnet-da327bf6", "SubnetAvailabilityZone": { "Name": "us-east-1a" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-42599426", "SubnetAvailabilityZone": { "Name": "us-east-1d" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-bac383e0", "SubnetAvailabilityZone": { "Name": "us-east-1c" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-6746046b", "SubnetAvailabilityZone": { "Name": "us-east-1f" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-d7c825e8", "SubnetAvailabilityZone": { "Name": "us-east-1e" }, "SubnetStatus": "Active" }, { "SubnetIdentifier": "subnet-cbfff283", "SubnetAvailabilityZone": { "Name": "us-east-1b" }, "SubnetStatus": "Active" } ] }, "PreferredMaintenanceWindow": "wed:11:42-wed:12:12", "PendingModifiedValues": { "MultiAZ": true }, "MultiAZ": false, "EngineVersion": "3.3.2", "AutoMinorVersionUpgrade": true, "KmsKeyId": "arn:aws:kms:us-east-1:123456789012:key/f7bc0f8e-1a3a-4ace-9faa-e8494fa3921a", "ReplicationInstanceArn": "arn:aws:dms:us-east-1:123456789012:rep:T3OM7OUB5NM2LCVZF7JPGJRNUE", "ReplicationInstancePublicIpAddress": "3.230.18.248", "ReplicationInstancePrivateIpAddress": "172.31.75.90", "ReplicationInstancePublicIpAddresses": [ "3.230.18.248" ], "ReplicationInstancePrivateIpAddresses": [ "172.31.75.90" ], "PubliclyAccessible": true, "FreeUntil": 1590194829.267 } ] } For more information, see `Working with an AWS DMS Replication Instance <https://docs.aws.amazon.com/dms/latest/userguide/CHAP_ReplicationInstance.html>`__ in the *AWS Database Migration Service User Guide*.