docs: def get_vendor(self, mac):
          """Get vendor company name.
  
              Keyword arguments:
              mac -- MAC address or OUI for searching
          """
  
          data = {
              self._SEARCH_F: mac,
              self._FORMAT_F: self._VERBOSE_T
          }
  
          response = self.__decode_str(self.__call_api(self.__url, data), 'utf-8')
  
          return response