[{"mac_prefix":"44:D5:F2:D0","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Nation RFID Technology Co.,Ltd.","address":"Room 816, Building A, Yuanzheng Venture Building, No. 19 Langshan Road, Xili Street, Nanshan District ShenZhen Guangdong CN 518000","country":"CN"}]