Network flights currently running at around the 900 mark (timeouts 30/30), compared to around 1300 at this time yesterday which I guess is consistent with a sizeable proportion of network coverage being UK airspace where nothing IFR is flying at the moment.
Lots of missing registrations, types and silhouettes, presumably connected with the server problems reported in another thread.
The latest news would suggest that the airspace closure is likely to last at least 24 hours, i.e. until midday UTC tomorrow, if not later.