easy-peasy :) I have nothing to add to the discussion, my experience is only with Maxmind's free database, and it is definitely not accurate at Israel. On Tue, Dec 29, 2009 at 11:14 PM, George Langley <george.langley@xxxxxxx>wrote: > From my experience, I have had reported one incorrect country-level > IP from Maxmind's paid service (returned US vrs Canada for a Canadian IP). > But their free version is based on the commercial lists, just not updated as > often, or automatically (you download and store locally on your server). So > should be nearly as accurate as long as you maintain the lists (ie. think is > weekly, being 2-weeks behind). > That said, someone on another list is running a geo-location service > comparison test, where you click links to the various services, then enter > the location they returned. He was compiling the results, and so far has > reported the following: > ---------QUOTE------- > So far some crazy numbers and realities. Of these numbers, all of the > vendors missed 25 exact city locations equally. So our continued plan is to > measure how far off the approx. 25% are so we can then say, "OK, x vendor is > 100% accurate up to x% and then x% accurate within say x-y miles". The > shocking thing to us is still how some of the more expensive providers will > say their definition of accuracy on a city level can be within 25 miles. > Thus you would receive statistical confidence of a 90-100 for an IP that > shows Pasadena, Calif. and yet in reality be located in Long Beach, Calif., > or the same for San Jose, Ca. and yet be further up the peninsula in San > Carlos, Ca. > > total: 103 > > ip2: 55 > quova: 46 > ipiligence: 32 > whatis: 62 > maxmind: 63 > > > By the way, we are obviously way short still on queries so if you haven't > clicked on the link, please do so and follow some ez pz instructions: > > http://www.stratosanalytics.com/iplookup.html > > ---------END QUOTE----------- > > So help him out by clicking the link (although not sure what he > means by "e-zed-p-zed instructions".... ;-{)] ) > > George > > > > On 14-Dec-09, at 5:07 AM, Angelo Zanetti wrote: > > >> >> -----Original Message----- >> From: George Langley [mailto:george.langley@xxxxxxx] >> Sent: 19 October 2009 01:38 AM >> To: php-general@xxxxxxxxxxxxx >> Subject: Re: ip-to-country >> >> On 18-Oct-09, at 1:03 PM, SED wrote: >> >>> >>> How can I access an index for IP to a country (or a more detailed >>> location)? >>> >> ------------ >> <http://www.maxmind.com/app/ip-location> >> >> has both free and various paid services. >> >> George >> >> >> Hi George, >> >> How accurate are the free ones compared to the paid ones? >> >> Regards >> Angelo >> >> http://www.elemental.co.za >> http://www.wapit.co.za >> >> >> >
