Maybe I can use something like this:
http://www.netburner.com/products/serial_to_ethernet/sb70.html
I found a couple of research projects where people are doing similar stuff for haptic interfaces but it seems amazing that OSC and OSC support seems to be somewhat in its infancy despite being around for several years.
Also, the Make Controller claims to support OSC - but do they just mean the OSC syntax over serial? I doubt the Make controller provides embedded Ethernet.