Hilton The Hague, Netherland
Download 16.54 Mbps / Upload 15.56 Mbps / Ping 4ms
Your access code will stay valid until the end of the month, so when returning you'll automatically reconnect.
At another Hilton (in Bonn, GER) also noticed the username / roomnumber did stay valid for the lenght of the stay, with no need to re-enter it every 24 hours. Has this changed recently?