16. I can't see how ipAddressPrefixTable is useful for IPv4.
    Why can't this jut remaing an ipv6 table with references
    to rfc2461/draft-ietf-ipngwg-site-prefixes-05.txt

          ipAddressPrefixOnLinkFlag
          ipAddressPrefixAutonomousFlag
          ipAddressPrefixAdvPreferredLifetime
          ipAddressPrefixAdvValidLifetime