There are a few report type commands in the SLCLI.
SoftLayer.CLI.summary:cli
A list of datacenters, and how many servers, VSI, vlans, subnets and public_ips are in each.
SoftLayer.CLI.bandwidth.summary:cli
SoftLayer.CLI.report.dc_closures:cli
Displays some basic information about the Servers and other resources that are in Datacenters scheduled to be decommissioned in the near future. See IBM Cloud Datacenter Consolidation for more information