check if your workspace has the IP access list feature enabled, call the get feature status API (

GET /workspace-conf

). Pass keys=enableIpAccessLists as arguments to the request.In the response, the enableIpAccessLists

the field specifies either true or false

.

You can write bash command 
 
curl -X -n \
 https://<databricks-instance>/api/2.0/workspace-conf?keys=enableIpAccessLists