NBTSTAT.exe

Display protocol statistics and current TCP/IP connections using NBT (NetBIOS over TCP/IP).

syntax
   By Name
      NBTSTAT -a Remote_host_Name [options] [interval] 

   By IP address
      NBTSTAT -A IP_address [options] [interval] 

key
  -a   (adapter status) List the remote machine's name table given its name
  -A   (Adapter status) List the remote machine's name table given its IP address
  -c   (cache)          List NBT's cache of remote [machine] names
                        and their IP addresses
  -n   (names)          List local NetBIOS names.
  -r   (resolved)       List names resolved by broadcast and via WINS
  -R   (Reload)         Purge and reloads the remote cache name table
  -S   (Sessions)       List sessions table with the destination IP addresses
  -s   (sessions)       List sessions table converting destination IP
                        addresses to computer NETBIOS names.
  -RR  (ReleaseRefresh) Send Name Release packets to WINS and then, starts Refresh

  interval              Redisplay selected statistics, pausing interval seconds
                        between each display. Press Ctrl+C to stop redisplaying
                        statistics.

Related Commands:

IPCONFIG - IP Configuration
NETSTAT - Display networking statistics (TCP/IP)
PING - Test a network connection
TRACERT - Trace route to a remote host

Q163409 - The 16th character is a NetBIOS suffix
Q119493 - NetBIOS over TCP/IP Name Resolution
Q314053 - TCP/IP and NBT Configuration Parameters

Equivalent Linux BASH commands:

ping - Test a network connection
trace - Find the IP address of a remote host.