Yes, with Dante Preset Creator you can configure presets to apply to the network without connection to your Dante network. The Dante Preset Creator is a free online tool that can be accessed through Dante Preset Creator
If you have saved an existing network configuration as a preset, you can edit the preset file in the above Dante Preset Creator to change the routing configuration. However, setting up routing for a new network is only really possible using Dante Controller, while it is actually connected to the network For more information, see Dante Controller Presets