[{"mac_prefix":"30:0A:60:10","mask_bits":28,"block_type":"MA-M","organization":"Beijing Ruiteng Zhongtian TECH Ltd.,Co","address":"Blk 6,Rm 602,Noble CenterⅡ，No.1 Automotive Museum East Lane,South Fourth Ring Road, Fengtai District Beijing Beijing CN 100070","country":"CN"}]