So there is a spoiler that is floating around /ang/ that appears to be real, but has yet to be confirmed by either Spoiler-Ken or snow-jax. It fits the naming and faction pattern of the previously release and spoiled regions for the SanSan cycle.
97
Old Hollywood Grid
NBN 2 inf
Region
5 rez, 4 trash
“Agendas accessed from this server cannot be stolen unless the Runner already has a copy of that agenda in his or her score area. This applies even during the run on which the Runner trashes OHG”