Dolstein,

I don't think there is a solution for you as I doubt an airport express or any other device will be able to join your virtual network without your ISP provider's assistance. Worth a call to them.

John

1: 808.6 Anniversary, 504, Sony ES Bluray player, Apple TV, Trinnov Altitude 32, 7200SEU l/r/c, plus for immersive audio
2: Theta Compli Blu, Apple TV, HD621, G61RSL, B&W Sig 8NT l/r/c, & Runco Plasma
3: 861v8, 504, Apple TV for streaming 3100 l/r/c
roon all around