Intune now offers the possibility to set compliance of an Android device, based on the IP address of the device. If the device moves outside the IP range, then the device cannot access corporate resources.
Have a look at my video that shows how to create such a compliance policy and what it will look like for the end user.
More information and all other updates can be found here: https://docs.microsoft.com/en-us/intune/whats-new