[{"mac_prefix":"74:1A:E0:C0","mask_bits":28,"block_type":"MA-M","organization":"bistos.co.ltd","address":"7floor, worim lions vally 5cha sungnam kyeunggi-do KR 13201","country":"KR"},{"mac_prefix":"70:B3:D5:97:F0","mask_bits":36,"block_type":"MA-S","organization":"BISTOS.,Co.,Ltd","address":"7th Fl., A Bldg., Woolim Lions Valley 5-cha, 144-3, Sangdaewon-dong, Jungwon-gu Seongnam-si Gyeonggi-do KR 462-739","country":"KR"}]