Getting list IPs from CIDR notation in PHP

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I’ll edit the aforementioned class to contain a method for that. Here is the code I came up with that might help you until then.

function cidrToRange($cidr) {
  $range = array();
  $cidr = explode("https://stackoverflow.com/", $cidr);
  $range[0] = long2ip((ip2long($cidr[0])) & ((-1 << (32 - (int)$cidr[1]))));
  $range[1] = long2ip((ip2long($range[0])) + pow(2, (32 - (int)$cidr[1])) - 1);
  return $range;
}
var_dump(cidrToRange("73.35.143.32/27"));

//////////////////OUTPUT////////////////////////
// array(2) {
//   [0]=>
//   string(12) "73.35.143.32"
//   [1]=>
//   string(12) "73.35.143.63"
// }
/////////////////////////////////////////////////

Returns the low end of the ip range as the first entry in the array, then returns the high end as the second entry.

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