Tries to guess the country code of the client, using his IP.
Download and import the ip database from ip2nation.com
$service = App::make('Dimsav\IpService\IpService');
// country code for the given ip address
echo $service->getCountryCodeFromIp('123.123.123.123');
// country code for the client's ip address
echo $service->getCountryCodeFromClientIp();