public function providerTestNetwork()
{
$cases = array();
$cases[] = array('167.45.3.7', array('net' => 2804744967, 'mask' => 4294967295), '167.45.3.7', '167.45.3.9');
$cases[] = array('67.46.*', array('net' => 1127088128, 'mask' => 4294901760), '67.46.1.1', '67.45.1.1');
$cases[] = array('91.*', array('net' => 1526726656, 'mask' => 4278190080), '91.1.12.13', '256.1.2.4');
$cases[] = array('256.*', null, null, null);
return $cases;
}