when my site visitor enter it..i want him to see some geographic info like weather ,to do this task i need to get his Accurately full location details by IP like(( country,city,latitude ,longitude,time zone,else))but when search for web services. i cant find the service which give me this info for free and Accurately.so anyone help me to find this service.
some sites :
http://software77.net/geo-ip/
http://www.ip2location.com
http://www.maxmind.com/app/city
http://whatismyipaddress.com/ip