Retrieve IP Info in PHP for a list of IP addresses using ipregistry.co

ipregistry-php-batch.php

<?php

$curl = curl_init();

$payload = json_encode(array("66.165.2.7", "1.1.1.1", "8.8.4.4"));

curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.ipregistry.co/?key=tryout",
  CURLOPT_POSTFIELDS => $payload,
  CURLOPT_HTTPHEADER => array('Content-Type:application/json'),
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_TIMEOUT => 10,
  CURLOPT_CUSTOMREQUEST => "POST",
));
 
$response = curl_exec($curl);
$err = curl_error($curl);
 
curl_close($curl);
 
if ($err) {
  echo "An error occurred while retrieving IP info:" . $err;
} else {
  $ipinfo = json_decode($response, true);
  print_r($ipinfo['results']);
}

?>