Mike, Yes thank you!  I've seen different behavior on iPhone.  I've
taken the iPhone SIM and put it in a Nexus One where I see this
behavior.  This is why I was surprised.  The real underlying issue I
have is that our server farm load balances by client IP (class C)
address range, and the address changes are at class B scope.  I can
resolve, but was just surprised to see this...

Chris


On Feb 3, 10:38 am, Mike <[email protected]> wrote:
> The simple answer is that cell networks don't use TCP/IP.  What you
> see is the IP address of the gateway server that happens to have
> generated the request.  This could change on every request and is not
> time based.
>
> Hope it helps.
>
> - Mike
> NAVTEQ Network for Developershttp://NN4D.com
>
> On 3 Feb, 15:35, Vertifi <[email protected]> wrote:
>
>
>
> > Hello,
>
> > I have an app which performs some online functions to a web server
> > farm we operate using URLConnection.  I'm finding that the client IP
> > address of the phone seems to change after a fairly brief period of
> > inactivity.
>
> > For example, please see these timestamps and the corresponding client
> > IP addresses:
>
> > 2010-02-03 09:46:47 / 32.152.30.98
> > 2010-02-03 09:47:05 / 32.152.30.98
> > 2010-02-03 09:57:21 / 32.152.218.197
> > 2010-02-03 09:59:53 / 32.152.23.19
>
> > This is sitting in a stationary location (on an AT&T EDGE network) in
> > my office.  Is there some reason for this behavior?
>
> > Any advice would be greatly appreciated
>
> > Regards,
> > Chris @ Vertifi- Hide quoted text -
>
> - Show quoted text -

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