Returns the Internet address and unique ID number of the machine
hqn_lsa is running on, and of the currently connected server. If host(s) are supplied
hqn_lsa will try to obtain this information from an
hqn_lsd server running on that host. For some makes of machine this is the only means of obtaining the unique ID number.
LispWorks Guide to the License Server - 16 Feb 2015