[{"mac_prefix":"00:1D:A4","mask_bits":24,"block_type":"MA-L","organization":"Hangzhou System Technology CO., LTD","address":"ROOM A1505 HuaXing times plaza,NO 478 Wensan Road Hangzhou Zhejiang CN 310012","country":"CN"},{"mac_prefix":"90:15:64:70","mask_bits":28,"block_type":"MA-M","organization":"Hangzhou System Technology Co.,Ltd","address":"1401, 14th Floor, West Lake Advertising Building, No. 18 Xiyuan 1st Road, Xihu District Hangzhou Zhejiang CN 310030","country":"CN"}]