[{"mac_prefix":"5C:85:7E:A0","mask_bits":28,"block_type":"MA-M","organization":"Zhejiang Jetron Ark Digital Technology Co., Ltd","address":"Room 12-9, building B (Hongmao building), No. 338, Juxing West Road, Jiangbei District, Ningbo, ZheJiang, China Ningbo  CN 315000","country":"CN"}]