Enumerate Network-PCs for Remote Installation

Hi all,
is there a possibility to enumerate all the network PCs, so i can start my silent install-software remotely? I want to use the PSTools for remote start.

Or gives a possibility in NSIS for remote installation, like other deployment software?

It really depends on your network. If it's a managed network, you can query the DC. If it's not, you'll have to relay on net view or something similar.