Doesn't anyone learn Hex coding anymore?

On Saturday 14 July 2007 19:24, Theo v. Werkhoven wrote:
> Fri, 13 Jul 2007, by [EMAIL PROTECTED]:
> > Hi,
> >
> > Last Tuesday I got a delay notice triggered by an email I sent to the
> > list. That's unimportant, but while looking at it I saw this header:
> >
> > Received-SPF: none (Address does not pass the Sender Policy Framework)
> >  SPF=HELO; sender=lists4.suse.de; remoteip=::ffff:195.135.221.135;
> >  remotehost=lists4.suse.de; helo=lists4.suse.de;
> > receiver=exa.billmerriam.com;
> >
> >
> > I noticed the ipv6 address, and I was curious to check who it was:
>
> That is not an IPv6 address.
> IPv6 addresses are written with hex notation, e.g.
> 2001:888:10:90f::2 i.e. 8193.2184.16.2319.0.0.0.2 when written in
> decimal. What the meaning is of the '::ffff:' part I don't know, but
> it has nothing to do with IPv6 afaik.
> So your analysis has no meaning.
>
> theo
> --
> Theo v. Werkhoven    Registered Linux user# 99872 http://counter.li.org
> ICBM 52 13 26N , 4 29 47E.     +      ICQ: 277217131
> SUSE 10.2                      +   Jabber: [EMAIL PROTECTED]
> Kernel 2.6.20                  +   See headers for PGP/GPG info.
> Claimer: any email I receive will become my property. Disclaimers do not
> apply.
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