[{"mac_prefix":"50:FA:CB:30","mask_bits":28,"block_type":"MA-M","organization":"Huaihua Jiannan Electronic Technology Co.,Ltd.","address":"1 Jixiang Avenue, Jingkai district, Huaihua , Hunan Province (5th floor, building 8, luggage and leather creative industrial park) Huaihua  CN 418000","country":"CN"}]