[{"mac_prefix":"A8:24:50","mask_bits":24,"block_type":"MA-L","organization":"Beijing Huadianzhongxin Tech.Co.,Ltd","address":"Room 318,the 3rd Floorl,Xingtianhaiyuan Building,Xianghuangqi East Rd,Nongda South Rd, Haidian District,Beijing,P.R.C Bei Jing  CN 100193","country":"CN"},{"mac_prefix":"20:CE:2A:70","mask_bits":28,"block_type":"MA-M","organization":"Beijing Huadianzhongxin Tech.Co.,Ltd","address":"Room 318,the 3rd Floorl,Xingtianhaiyuan Building,Xianghuangqi East Rd,Nongda South Rd, Haidian District,Beijing,P.R.C Bei Jing  CN 100193","country":"CN"}]