[{"mac_prefix":"40:D8:55:13:90","mask_bits":36,"block_type":"IAB","organization":"WOW System","address":"#411, MEGA Center, SKn Techno Park, Sangdaewon 1-dong, Jungwon-gu Seongnam-si Gyeonggi-do KR 462-721","country":"KR"},{"mac_prefix":"70:B3:D5:6A:60","mask_bits":36,"block_type":"MA-S","organization":"WOW System","address":"#411, MEGA Center, 124, Sagimakgol-ro, Jungwon-gu Seongnam-si  KR 13207","country":"KR"}]