[{"mac_prefix":"00:1D:2A","mask_bits":24,"block_type":"MA-L","organization":"SHENZHEN BUL-TECH CO.,LTD.","address":"4/F, COFCO Bdlg , 3rd District,Baoan District, Shenzhen City, shengzhen guangdong CN 518101","country":"CN"},{"mac_prefix":"20:C8:B3","mask_bits":24,"block_type":"MA-L","organization":"SHENZHEN BUL-TECH CO.,LTD.","address":"Area C,4/F,NO.59,Longjing 2nd Road, SHENZHEN  GuangDong CN 518101","country":"CN"}]