Library /sys$common/syshlp/nclhelp.hlb show, alias (OpenVMS), port, Identifier  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 o  name

    This string is the Port Identifier.  If DECdns is in use,
    it is also the DECdns-registered node object name of the
    Alias psuedo-node.