Make DDWRT device tracker to track wired devices

My network setup has multiple DDWRT routers used as access pint and one as the real router to the internet.
This router sees all outgoing connections but most are received via the wired network because the come from the access points. I do see those connections at the page http://192.168.1.1/Status_Lan.live.asp
Is it possible to update the DDWRT component to use this information for tracking? This would also solve the problem for tracking wired devices which are only sometimes online (e.g. TV, Stereo, etc.)

btw So far I have used NMAP for device tracking but I have problems with newer phones which seem to be online so short it is missed with NMAP. The device do you up on the router page and stay there for about 10s so polling with 5s rate should be fast enough.