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Re: DOS Attacks and reliable network contact data.
From: Mark Milhollan <mlm () ftel net>
Date: Tue, 24 Oct 2000 04:59:58 -0700


Bryan Bradsby writes:

I like ipw from the FreeBSD ports collection. 

Too bad the original source, against which the port was performed, isn't
mirrored somewhere within freebsd.org, at least not that I could find.


In this case ipw returns several lines of useful information, including 

 tech-c:      YO020JP 

Yes, but that's only because ...

remarks:     This information has been partially mirrored by APNIC from
remarks:     JPNIC. To obtain more specific information, please use the
remarks:     JPNIC whois server at whois.nic.ad.jp. (This defaults to
remarks:     Japanese output, use the /e switch for English output)

Had they not done so JPNIC itself doesn't appear to provide that detail ...

        $ whois -h whois.nic.ad.jp 210.251.138.255/e
        [whois.nic.ad.jp]
        [ JPNIC database provides information on network administration. Its use is   ]
        [ restricted to network administration purposes. For further information, use ]
        [ 'whois -h whois.nic.ad.jp help'. To suppress Japanese output, add '/e' at   ]
        [ the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.                  ]

        ALLNET(TITUS COMMUNICATIONS CORPORATION)
                 ALLNET-CATV [210.251.128.0 <-> 210.251.143.255]     210.251.128.0-210.251.143.0

According to their "help" using a prefix character of % (percent sign)
is supposed to "Expand the contact fileds or known sub-domains", yet
``whois -h whois.nic.ad.jp %210.251.138.255/e'' yields the same
response.



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