public function providerTestCidr()
{
$cases = array();
$cases[] = array('167.45.3.7/32', true);
$cases[] = array('127.1.0.0/8', false);
$cases[] = array('127.0.0.0/32', true);
$cases[] = array('127.0.0.1/16', false);
$cases[] = array('127', false);
$cases[] = array('127.0.0.0/56', false);
$cases[] = array('0.0.0.0/0', true);
$cases[] = array('86.216.79.80/28', true);
$cases[] = array('70.228.6.0/26', true);
$cases[] = array('86.216.79.80/27', false);
$cases[] = array('70.228.6.0/22', false);
return $cases;
}