[{"mac_prefix":"20:2B:DA:70","mask_bits":28,"block_type":"MA-M","organization":"Chongqing Ruishixing Technology Co., Ltd","address":"No. 1, 5th Floor, Unit 2, Building 1, Jinqian Port Industrial Park, No. 808, Haier Road, Tieshanping Street, Jiangbei District Chongqing CN 400000","country":"CN"}]