ip4:21.8.8.0/24: array(
    [version] => 2
    [key] => 0x6284dbaf130b76b11ad773611d13979e73b7c0387d3eb38429d8629722a55137
    [serial] => 1509308241
    [label] => 0x011508080018
    [value] => array(
        [as] => "1488"
        [ns] => array(
            [ns1.1488.ano] => array(
                [0] => "21.8.8.1"
              )
          )
      )
  )