Configuration Management Database, also known as CMDB, with reliable and up-to-date data is one of the essential foundations for the efficient operation of IT systems. A leading company in Hungary (name withheld for confidentiality reasons) is committed to providing world-class telecommunications infrastructure services, and to achieve this goal, it is focusing on the implementation of a project to create reporting on its Configuration Management Database, which will allow for better visibility and more efficient maintenance. The development will follow ITIL principles, with a more detailed focus on the doctrines of Service Transition and Continual Service Improvement. In this study, the process of preparing the report is followed from the initial phase to the analysis of the resulting data visualizations, concluding with some recommendations for improvement.