News Star21 insight – Information at your fingertips. 24 May Star21 insight – Information at your fingertips. One tool to oversee all your Telstra mobile assets, plans and costs. For more information about how you can access insight, call Star21 to discover the difference. #Star21#reporting#billing#reportingtool Take back the control of your mobile fleet Congratulations Rene for ten outstanding years at star21.