[{"mac_prefix":"1C:88:79:50","mask_bits":28,"block_type":"MA-M","organization":"SHENZHENFREELINK ELECTRONIC CO.,LTD","address":"3/F,Building A,Quanyongyuan industrial park,Langkou industrial area,Dalang,Bao'an District,Shenzhen,China  Shenzhen  CN 518000","country":"CN"}]