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

    Optional.

    Numeric output only. No attempt is made to look up symbolic names
    for host addresses. This occurs only when displaying ICMP packets
    other than ECHO_RESPONSE.