[{"mac_prefix":"34:28:44","mask_bits":24,"block_type":"MA-L","organization":"Kyung In Electronics","address":"#1411, Byucksan Digital Valley 2, 184, Gasan Digital2-ro, Geumcheon-gu  Seoul  KR 08501","country":"KR"},{"mac_prefix":"A0:3B:01","mask_bits":24,"block_type":"MA-L","organization":"Kyung In Electronics","address":"#1411, Byucksan Digital Valley 2, 184, Gasan Digital2-ro, Geumcheon-gu  Seoul  KR 08501","country":"KR"},{"mac_prefix":"A0:22:4E:00","mask_bits":28,"block_type":"MA-M","organization":"Kyung In Electronics","address":"#1411, Byucksan Digital Valley 2, 184, Gasan Digital2-ro, Geumcheon-gu  Seoul  KR 08501","country":"KR"}]