1

geocoder.ibegin.com

http://geocoder.ibegin.com/services.php

like geonames has good info

2

get country from ip

http://ipinfodb.com/ip_location_api.php

get country information from ip adress like ip-adress.com

3

webservice geolocation geonames country from ip

http://www.webservicex.net/WS/WSDetails.aspx?WSID=64

country by ip webservice

4

geo location

http://www.tetonpost.com/geo/

nice information