Hi, we are 150 users licensed Kaspersky business open space customer, I have many mobile users who do not connect to our domain for months, network users who are regularly connected to the network.

I would like to know how can i get the user count with mac address - on which machine my license is installed? any online tool?

No, they need to be on the network to check in. I would suggest VPN for your remote users. I mean if you pushed KAV out with your admin kit, the computer will still be there, so just run a license report to get the number of used keys.