I tried Browstat and think I have found something:

V:\Windows\Netsoftware\Network\browstat>browstat status


Status for domain CLEAVER on transport
\Device\NetBT_Tcpip_{8651141D-C43C-4242-8
DFD-791BD0E90037}
Browsing is active on domain.
Master browser name is: ALTO
Could not open key in registry, error = 2 Unable to determine
build of br
owser master: 2
\\\\ALTO . Version:04.09 Flags: 9a0b NT CONTROLLER
SERVER
1 backup servers retrieved from master ALTO
\\ALTO
There are 8 servers in domain CLEAVER on transport
\Device\NetBT_Tcpip_{8651
141D-C43C-4242-8DFD-791BD0E90037}
There are 1 domains in domain CLEAVER on transport
\Device\NetBT_Tcpip_{8651
141D-C43C-4242-8DFD-791BD0E90037}

One domain and eight servers... ?

Rgds

Martin