[{"mac_prefix":"B4:A2:EB:80","mask_bits":28,"block_type":"MA-M","organization":"SHENZHEN ZHUIFENGMA TECHNOLOGY CO., LTD","address":"2 FLOOR WEST WING BLOCK 3  NO.28 LANGSHAN ROAD, NANSHAN DISTRICT  SHENZHEN Guangdong CN 518040","country":"CN"}]