How to find cuntry by IP address

function getLocationInfoByIp($ip_addr)
{
    return $ip_data = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=".$ip_addr));
}

$ap_address  =  $_SERVER['REMOTE_ADDR'];
$location_info = getLocationInfoByIp($ap_address);
echo '<pre>';
print_r($location_info);
echo '</pre>';

stdClass Object
(
    [geoplugin_request] => 103.4.146.186
    [geoplugin_status] => 200
    [geoplugin_credit] => Some of the returned data includes GeoLite data created by MaxMind, available from http://www.maxmind.com.
    [geoplugin_city] => Dhaka
    [geoplugin_region] => Dhaka
    [geoplugin_areaCode] => 0
    [geoplugin_dmaCode] => 0
    [geoplugin_countryCode] => BD
    [geoplugin_countryName] => Bangladesh
    [geoplugin_continentCode] => AS
    [geoplugin_latitude] => 23.7231
    [geoplugin_longitude] => 90.4086
    [geoplugin_regionCode] => 81
    [geoplugin_regionName] => Dhaka
    [geoplugin_currencyCode] => BDT
    [geoplugin_currencySymbol] => Tk
    [geoplugin_currencySymbol_UTF8] => Tk
    [geoplugin_currencyConverter] => 79.4502
)

================================

function ip_details($ap_address)
{
    $json       = file_get_contents("http://ipinfo.io/{$ap_address}");
    $details    = json_decode($json);
    return $details;
}

$ap_address  =  $_SERVER['REMOTE_ADDR'];
$details    =   ip_details($ap_address);
echo '<pre>';
print_r($details);
echo '</pre>';

stdClass Object
(
    [ip] => 103.4.146.186
    [hostname] => No Hostname
    [city] => Dhaka
    [region] => Dhaka Division
    [country] => BD
    [loc] => 23.7231,90.4086
    [org] => AS9441 Next Online Ltd.
    [postal] => 1000
)

$ip = '141.168.138.15'; // Victoria/Melbourne
$ip = '49.197.229.133'; // Queensland/Brisbane
$ip = '114.141.196.226'; // New South Wales/Sydney
$ip = '58.108.79.123'; // Western Australia/Perth