[{"mac_prefix":"B4:DF:43:40","mask_bits":28,"block_type":"MA-M","organization":"Shenzhen Huizhen Fishery Co., Ltd.","address":"Room 2101, 21th Floor, Bldg 8, Qianhai Kexing Technology Park, Jinhai Road, Xixiang, Baoan,  Shenzhen  CN 518000","country":"CN"}]