[{"mac_prefix":"00:0D:AE","mask_bits":24,"block_type":"MA-L","organization":"SAMSUNG HEAVY INDUSTRIES CO., LTD.","address":"493, Banweol-Ri, Taean-Eup Hwaseong-City Kyeonggi-Do KR 445-973","country":"KR"},{"mac_prefix":"00:50:C2:9D:80","mask_bits":36,"block_type":"IAB","organization":"SAMSUNG HEAVY INDUSTRIES CO.,LTD.","address":"Institute of industrial Technology Daejeon  KR 305-380","country":"KR"}]