I think you prolly could get a cheaper Cable hook-up, and just rout them all together, but as far as I know, I have no idea about that, I've never seen one around here...
mmnm,
Welcome to TechIMO!!
*Correction* I don't think it would be cheaper if I thin kabout it, cuz I bet the computers don't have NetWork Cards in 'em, an you don't got like 15+ routers hanging around... lol sowwy

.