[{"mac_prefix":"8C:1F:64:22:80","mask_bits":36,"block_type":"MA-S","organization":"Shenzhen Chuanxin Micro Technology Co., Ltd","address":"502, No. 32 Nanchang Old Village, Nanchang Community, Xixiang Street, Bao'an District, Shenzhen Shenzhen  CN 518000","country":"CN"}]