/sys$common/syshlp/helplib.hlb LANCP, SHOW, NODE, Parameter  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 node-name

    Specifies the name of a node in the LAN volatile node database.
    The name can include up to 63 characters associated with the
    node address. If you do not specify a node name, all nodes are
    displayed.