aws ec2 describe-capacity-blocks
Describes details about Capacity Blocks in the Amazon Web Services Region that you're currently using. AWS CLI reference
5 options Its page in the AWS CLI reference
Options
--capacity-block-idsThe IDs of the Capacity Blocks.--dry-runChecks whether you have the required permissions for the action, without actually making the request, and provides an error response.--filtersOne or more filters.--max-resultsThe maximum number of items to return for this request.--next-tokenThe token to use to retrieve the next page of results.