[{"mac_prefix":"70:B3:D5:9E:00","mask_bits":36,"block_type":"MA-S","organization":"ES Industrial Systems Co., Ltd.","address":"B-dong, 12, Baekseokgongdan 3-gil, Seobuk-gu, Cheonan-si, Chungcheongnam-do Cheonan-si Chungcheongnam-do KR 31094","country":"KR"}]