[{"mac_prefix":"1C:59:74:90","mask_bits":28,"block_type":"MA-M","organization":"Shanghai Laisi Information Technology Co.,Ltd","address":"1001,21#,No.1158 Zhongxin RD,Songjiang district Shanghai shanghai  CN 201614","country":"CN"},{"mac_prefix":"BC:97:40:50","mask_bits":28,"block_type":"MA-M","organization":"Shanghai Laisi Information Technology Co.,Ltd","address":"1001,21#,No.1158 Zhongxin RD,Songjiang district Shanghai shanghai  CN 201614","country":"CN"}]