[{"mac_prefix":"00:0D:84","mask_bits":24,"block_type":"MA-L","organization":"Makus Inc.","address":"4F Daedo Bldg., 748-14 Yeoksam-dong Kangnam-gu Seoul KR 135-080","country":"KR"},{"mac_prefix":"00:15:81","mask_bits":24,"block_type":"MA-L","organization":"MAKUS Inc.","address":"4F Daedo Bldg. 748-14 Yeoksam-dong, Kangnam-gu  Seoul US 135-080","country":"US"}]