The whois utility is designed to tell you you who owns an IP address
range - even if the specific address is not in any DNS.
HTH,
Stephen.
Brian <[EMAIL PROTECTED]> wrote:
> I'd try traceroute next. It should get you close enough to tell who owns that
> IP. If not, you can often e-mail the last network that does RDNS and ask who
> owns the given IP.
>
> -- Brian
>
> On Thu, 06 Jul 2000, Edouard Soriano wrote:
> > Hi guys,
> >
> > We have set up a Firewall based on Linux. Since several days there are
> > some IP address trying to enter
> > using telnet.
> >
> > One of them was found using nslookup. We sent a warning message to the
> > ISP manager and they stopped.
> >
> > But the other is trying like crazy requesting telnet who are rejected by
> > the security rules.
> >
> > This address in unknowed by nslookup.
> >
> > Any idea about how to catch this #@]|]]!! unfair person ?
> >
> > Thanks
> >
> > -
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========================================================================
Stephen Davies Consulting [EMAIL PROTECTED]
Adelaide, South Australia. Voice: 08-8177 1595
Computing & Network solutions. Fax: 08-8177 0133
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