Replicant Registration Database is a record database used to register all Replicant data and information. The Human Supremacy Movement use the database to locate and kill all replicants. With help of Ren Dus, replicants Iggy Cygnus and Trixie launch an attack on the Tyrell Corporation, where database servers are stored and ultimately destroyed them. Ren launched a nuclear missile that exploded over Los Angeles creating the Blackout that wipe all electronic information.