This cyber-range platform, integrated to the TELECOM Nancy cyber-security programs, enables the building, deployment and experimentation of realistic and complex IT infrastructures for simulating and analyzing different attack and defense scenarios. It is composed of three rooms: two training rooms (blue defensive room, red offensive room) interconnected to a server room hosting DIATEAM HNS cyber-range servers. Co-financed by the Grand Est PACTE regional project, it supports academic and professional trainings in the Grand Est region, and contributes to both the European H2020 Concordia Cyber-Security Competence Network and to the Military Cyber-Security Regional Branch of Nancy. TELECOM Nancy is the School of Engineering in Computer Science of the Lorraine INP Collegium at the University of Lorraine, France. Member of the Mines-Telecom Institute association, TELECOM Nancy is a public engineering school, working at the very heart of IT and digital sciences, and including a specialized major on cyber-security.