Use of Identity Cloud Services Network Perimeter
You can configure a network perimeter in Oracle Identity Cloud Services so that only users who use a particular IP address or IP address that fall within a specific range are allowed to sign in to Oracle Fusion Cloud Enterprise Performance Management. Using this method, you can restrict user access to all environments belonging to a specific Oracle Identity Cloud Service domain.
See Manage Oracle Identity Cloud Service Network Perimeters in Administering Oracle Identity Cloud Service for detailed information on configuring and managing network perimeters.