[{"mac_prefix":"40:2C:76:B0","mask_bits":28,"block_type":"MA-M","organization":"Beijing Kuaiyu Electronic Co., Ltd.","address":"Kuaiyu Technologies, Building 11, Yuquan Huigu, Tsinghua Science Park, No. 3 Minzhuang Road, Haidian District, Beijing Beijing  CN 100195","country":"CN"}]