Try this one. It shows a lot of info and 2 entries, 1 for MAC addr, and other for TCPIP addr.
select unique(C.HARDWARE_SYSTEM_ID),C.TME_OBJECT_LABEL,
C.COMPUTER_ALIAS ,C.BOOTED_OS_NAME ,C.BOOTED_OS_VERSION ,
M.PHYSICAL_MEMORY_KB ,M.PAGING_SPACE_KB ,
B.BIOS_MODEL ,N.NETWORK_NODE_ADDRESS,N.NETWORK_PROTOCOL ,
P.PROCESSOR_MODEL, P.PROCESSOR_SPEED,C.COMPUTER_SCANTIME
from COMPUTER_SYSTEM C, COMPUTER_SYSTEM_MEMORY M,
INSTALLED_BIOS B, NETWORK_NODE N,
PROCESSOR P, installed_processor I
WHERE M.HARDWARE_SYSTEM_ID = C.HARDWARE_SYSTEM_ID
and B.HARDWARE_SYSTEM_ID = C.HARDWARE_SYSTEM_ID
and N.HARDWARE_SYSTEM_ID = C.HARDWARE_SYSTEM_ID
and I.HARDWARE_SYSTEM_ID = C.HARDWARE_SYSTEM_ID
and P.PROCESSOR_ID = I.PROCESSOR_ID
order by C.TME_OBJECT_LABEL
Regards