If I'm looking for the netbios name of the machines on my network I use netbios -A x.x.x.x at an NT command line prompt and get:
C:\>nbtstat -A x.x.x.x
NetBIOS Remote Machine Name Table
Name Type Status
---------------------------------------------
DATAMAN <00> UNIQUE Registered
FREDDY <00> GROUP Registered
DATAMAN <20> UNIQUE Registered
DATAMAN <03> UNIQUE Registered
GHOST6 <03> UNIQUE Registered
DATAMAN <01> UNIQUE Registered
MAC Address = 00-00-00-00-00-00
What is the equivalent for linux?