[{"mac_prefix":"70:B3:D5:11:90","mask_bits":36,"block_type":"MA-S","organization":"YPP Corporation","address":"24 Geumchon-gu Seoul KR 153-802","country":"KR"},{"mac_prefix":"8C:1F:64:3E:00","mask_bits":36,"block_type":"MA-S","organization":"YPP Corporation","address":"24 Geumchon-gu Seoul KR 153-802","country":"KR"}]