[{"mac_prefix":"4C:74:A7:40","mask_bits":28,"block_type":"MA-M","organization":"Wuxi Micro Innovation Integrated Circuit Design Co., Ltd","address":"12th Floor A3 Building, No. 777, West Jianzhu Road, Binhu District, Wuxi City, Jiangsu Province Jiangsu  CN 214028","country":"CN"}]