[{"mac_prefix":"8C:1F:64:45:E0","mask_bits":36,"block_type":"MA-S","organization":"Hangzhou Zhongchuan Digital Equipment Co., Ltd.","address":"Building 1, 5th Floor, Zone 1, Zhuantang Science and Technology Economic Block 8, Zhuantang Street, Xihu District, Hangzhou, Zhejiang, China. Hangzhou  CN 310024","country":"CN"}]