Library /sys$common/syshlp/tcpip$ucp_help.hlb SHOW, PROXY, Qualifiers, /HOST  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /HOST=host

    Optional. Default: Displays information for all hosts (same as
    /HOST=*).

    Specifies the remote host from which information is to be
    displayed.