[{"mac_prefix":"00:1B:C5:08:10","mask_bits":36,"block_type":"MA-S","organization":"WonATech Co., Ltd.","address":"171-17 Seocho-Gu Seoul KR 137-180","country":"KR"},{"mac_prefix":"8C:1F:64:89:00","mask_bits":36,"block_type":"MA-S","organization":"WonATech Co., Ltd.","address":"7, Neunganmal 1-gil Seocho-gu Seoul KR 06801","country":"KR"}]