[{"mac_prefix":"00:72:30","mask_bits":24,"block_type":"MA-L","organization":"Nordic Semiconductor ASA","address":"Otto Nielsens veg 12 Trondheim  NO NO-7052","country":"NO"},{"mac_prefix":"F4:CE:36","mask_bits":24,"block_type":"MA-L","organization":"Nordic Semiconductor ASA","address":"Otto Nielsens veg 12 Trondheim  NO NO-7052","country":"NO"}]