Problem with client ip address changing

Christopher Bongaarts cab at
Wed Nov 14 11:39:26 EST 2012

On 11/14/2012 10:13 AM, Paul Hethmon wrote:
> On 11/14/12 11:04 AM, "Kevin P. Foote" <kpfoote at> wrote:
>> This reflects what I see as well.. with mobile devices (probably) and
>> carrier
>> networks being the bulk of the IPs that I've looked at.
>> IE: mobile device has carrier IP and then flips to our wireless or
>> vis-vis..
> The other two networks I've seen with this are the AOL dial-up elephant.
> You'll always see those addresses change on every request and every image
> and js file.
> The other one we've had issues with in the US is the US Cellular network.
> They flip addresses on almost every request as well. This is while staying
> on their network, not flipping to wifi.

This is similar to our worst local offender, an area hospital that does 
a lot of business with our med school.  They have one of those wacky NAT 
type devices that rotates IPs for each outbound request. :(

%%  Christopher A. Bongaarts   %%  cab at          %%
%%  OIT - Identity Management  %%  %%
%%  University of Minnesota    %%  +1 (612) 625-1809    %%

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