[{"mac_prefix":"58:FC:DB:80","mask_bits":28,"block_type":"MA-M","organization":"Shanghai Qianjin Electronic Equipment Co. Ltd","address":"4/F,Building No.2,401 Caobao Road  Shanghai  200233","country":"CN"},{"mac_prefix":"00:50:C2:60:B0","mask_bits":36,"block_type":"IAB","organization":"Shanghai QianJin Electronic Equipment Co. Ltd.","address":"7028 Rockrose Ter Carlsbad CA US 92011","country":"US"}]