Trivia: Puzzling eBay response (IP

Ronald F. Guilmette rfg at
Thu May 22 20:49:11 UTC 2014

In message <CADy1Ce563EdYNeRasoHC-GyuXusNujkrdkdQSXQF6X52trUv0Q at>
Kurt Buff <kurt.buff at> wrote:

>On Thu, May 22, 2014 at 12:57 PM, Ronald F. Guilmette
>> The password change request was made from:
>> - IP address:
>> - ISP host:
>> ===========================================================================
>> So, I mean, WTF?
>> is indeed my correct static IP address, and is indeed the
>> place from whence I changed my password yesterday.
>> I really do wonder where the bleep they got from.
>> Obviously, that's an RFC1918 address.
>> I do suspect that that IP address has a lot more to do with them, and with
>> the geography of their own internal network than it has to do with _my_ ISP.
>Rather than incompetence, I'd first suspect Carrier Grade NAT.

Please elaborate.  What is it, exactly, that you are suggesting actually
has been assigned the RFC1918 address in question?

Some box on eBay's network?

Some box on my ISPs network?

If the latter, then how exactly does this RFC1918 address end up getting
routed to eBay?

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