[{"mac_prefix":"70:B3:D5:45:80","mask_bits":36,"block_type":"MA-S","organization":"Ongisul Co.,Ltd.","address":"Yangji Building 6F, 85, Seonghwang-ro Dongnam-gu, Cheonan-si,  Chungcheongnam-do KR 31125","country":"KR"}]