Natural posible lalo kapag yung client will serve as router. So halimbawa, may linux pc ako that connects sa wifi rental. Then, yung pc may spare NIC na connected to a switch. So kahit ilang devices connected sa switch pwede, may internet then due to NAT.
Kaya dapat instead na per IP, data usage para you don't care kahit gaano kadami silang nags-share. Pag naubos data limit, that's it.