[{"mac_prefix":"40:2B:69","mask_bits":24,"block_type":"MA-L","organization":"Kumho Electric Inc.","address":"309, Bongmu-ro, Namsa-myeon, Cheoin-gu Yongin-si Gyeonggi-do KR 17118","country":"KR"},{"mac_prefix":"00:50:C2:9E:60","mask_bits":36,"block_type":"IAB","organization":"Kumho Electric, Inc.","address":"211-1, Jangji-Ri, Dongtan-myun, Hwasung City Kyonggi-Do KR 445-812","country":"KR"}]