def ranges
      range = []
      index = 0
      while index < @datas.count
        index += 1
        data = DHCPParser::Conf.get_pool(@datas["net#{index}"])
        range << "#{data["range"]["min"]} #{data["range"]["max"]}"
      end
      return range
    end
def ranges
      range = []
      index = 0
      while index < @datas.count
        index += 1
        data = DHCPParser::Conf.get_pool(@datas["net#{index}"])
        range << "#{data["range"]["min"]} #{data["range"]["max"]}"
      end
      return range
    end
Get range