[{"mac_prefix":"8C:1F:64:45:20","mask_bits":36,"block_type":"MA-S","organization":"Beijing Yong'an Xintong Technology Co.,LTD","address":"Room 6009, Jihai Building, Inno Way (Zhongguancun Chuangye Dajie), Zhongguancun, Haidian District, Beijing, China Beijing  CN 100080","country":"CN"}]