[{"mac_prefix":"8C:55:70:40","mask_bits":28,"block_type":"MA-M","organization":"Next Vision Tech(Ningbo)Co.,LTD","address":"Room 1502, Building 1, Tsinghua Science and TechnologyPark, No. 119 Zicheng Road, Panhuo Street, Yinzhou District, Ningbo Ningbo  CN 513100","country":"CN"}]