text: from .abstract import AbstractNetwork
  
  
  class MaestroUK(AbstractNetwork):
      @property
      def verbose_name(self):
          return "MaestroUK"
  
      @property
      def active(self):
          return True
  
      @property
      def iin_ranges(self):
          """
          Reference:
              https://en.wikipedia.org/wiki/Payment_card_number#Issuer_identification_number_(IIN)
              https://www.barclaycard.co.uk/business/files/BIN-Rules-UK.pdf
          """
          return [
              "6759",
              "676770",
              "676774",
          ]
  
      @property
      def length(self):
          return list(range(12, 19 + 1))
  
      @property
      def validation(self):
          return True
  