It wouldn't provide extra information but it would be cleaner way to follow the network compared to reading dhcpd leases. You could have RPI (or other comp) wor

It wouldn't provide extra information but it would be cleaner way to follow the network compared to reading dhcpd leases. You could have RPI (or other comp) working as the wifi AP or you have RPI between the WAN router and the actual Switch/Access point. This way RPIs slow IO wouldn't slow down your intranet.