When testing connectivity to QuickBase configuration.
''Unauthorized IP address","description":"Your request requires a trusted source, but your computer's IP address isn't authorized.<br /> <br/> Try signing in from a computer on your corporate network."
To avoid error message verify if the Realm entered in connection manager is correct or not.
1) Go to QuickBase Connection Manager2) Verify if the Realm entered in connection manager is correct or not. Also check Realm value for case sensitivty as well