[{"mac_prefix":"C0:22:F1:70","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Chengfenghao Electronics Co.;LTD.","address":"1-3F,101 Building,Unit A,No.2,Longhe industrial zone, Longgang town, Longgang district,Shenzhen, Guangdong, 518116, China  Shenzhen Guangdong CN 518116","country":"CN"}]