Tracing Laptops Via DNS

I have a team of 20 engineers who travel between over 40 different sites (all on the same network with seperate i.p. ranges)and I’m tring to work out if it’s possible to create an interface that tells me the location from information gathered during a ping.

So for example, a laptop called BobLaptop01 gets pinged and from the i.p. address that gets returned I can do a lookup that gives me the site?

Is this possible? Is there a better way of doing this? Any help would be greatly appreciated.