What is the basic IP address of a SiteSentinel iTouch console?
The only thing found close to IP address for this type of application is a video which explains how to set up the IP address through the interface. Although you have mentioned about console, there is nothing about it or the way it works.
You can use the following link to obtain additional information: http://www.opwglobal.com/opw-fms/tech-support/manuals-how-to-videos/how-to-videos/setting-a-static-ip-address
Secondly, if you have the application installed, go to its directory and look for user manuals and Readme guides.