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Re: Lookup zip by IP address [message #171711 is a reply to message #171583] Mon, 17 January 2011 20:48 Go to previous messageGo to previous message
Twayne is currently offline  Twayne
Messages: 135
Registered: September 2010
Karma:
Senior Member
In news:igheo5$cni$6(at)news(dot)albasani(dot)net,
The Natural Philosopher <tnp(at)invalid(dot)invalid> typed:
> Twayne wrote:
>> In
>> news:c9ba34e2-15b2-43b2-b5e3-c1c73f35d6ee(at)f20g2000vbc(dot)googlegroups(dot)com,
>> laredotornado(at)zipmail(dot)com <laredotornado(at)zipmail(dot)com>
>> typed:
>>> Hi,
>>>
>>> Can anyone recommend any free software for (roughly)
>>> looking up a zip code by IP address? It only has to work
>>> in the continental US. I tried this that I found through
>>> Google --
>>> http://www.phpclasses.org/package/2428-PHP-Get-hostname-zip-code-and-hit-co unt-for-an-IP-.html
>>> . But it hasn't worked for me, probably because the
>>> database doesn't have that many entries.
>>>
>>> Thanks, - Dave
>>
>> Unless you know you can get to the user's ACTUAL IP
>> address and not just that of his server, something I doubt
>> you can do, it'll never work for you. Most ISPs cover
>> larger geographic areas than just one zip. My ISP for
>> instance is 120 miles south of me, in a different zip, and it covers, at
>> a quickl glance, at least 14 zips. And
>> the ISP is as far as you're going to get with an IP. You
>> need the IP of the USER, which the ISPs will not give out.
> Her in teh UK its totally ointless, as addresses may be
> dynaicaly allocated out f a pool of thousnds to any given
> cutstomer.
> And it gets worse, because the link between te ISP and the
> customer is over ATM and ADSL, so the last known location
> is the ISP's termination equipment.
>
>
> Lookups will return London, Manchester or Glasgow and
> that's it.
> Looking up mine will return a location 70 miles away.
>
>
>> HTH,
>>
>> Twayne`

It's the same in the US. Even a tracert won't show what the OP wanted.
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