You can query CDH instance information through the console or an API.
2. At the top of the Dedicated Host page, select a desired region. Then you can view information about all CDH instances in the selected region, including the availability zone, model, total and available resources, and expiry time, as shown below:
3. Click the ID of a CDH instance. On the details page displayed, you can view the information of the CDH instance and its CVM list.