I want to point exact location of an IP address on Google Maps or any other service. I want the marker to be exact. How can I do it, using which service, either at cost or free of cost?
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It will never be absolutely exact. Someone could use wifi or cable or laser IP on several kilometers. – Basile Starynkevitch Oct 25 '12 at 07:45
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3Even though I can't help, I think this post is a bit demanding. People usually reply fast. If your project is based on it maybe do not count on a non-commercial way of getting information. – PascalVKooten Oct 25 '12 at 07:45
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You need to define "exact" (to within how many meters). You need to define how reliable it needs to be (95% correct?). And you need to be less demanding. – Brian White Oct 25 '12 at 13:42
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I want the location to be correct to 100 mtrs maximum.. And if someone is providing any paid service for this, i am ready to opt it. – Suresh Sharma Oct 28 '12 at 05:53
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I.P address locations are not exact enough to be accurate within 100 meters. – Kyle Nov 20 '12 at 21:44
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Just to make the answer official, no geo-location service can reliably provide that kind of accuracy. You can be reasonably sure of the city/town and that's about it... assuming no deliberate attempt to hide their location like VPN, TOR, etc.
If your users are cooperating, then you could build your own geo-location service that, for example, uses GPS from a phone when it is connected through a WiFi router and reports that back to your service.

Brian White
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@SureshSharma: would you accept this answer? I think it is unlikely to be bettered by another. – halfer Sep 19 '16 at 11:35