[{"mac_prefix":"6C:1B:3F","mask_bits":24,"block_type":"MA-L","organization":"MiraeSignal Co., Ltd","address":"#701,C-dong Bundang Techno Park Pangyoro 744 Bundang-gu Sungnam-si Kyungkido KR 13510","country":"KR"},{"mac_prefix":"70:B3:D5:38:C0","mask_bits":36,"block_type":"MA-S","organization":"MiraeSignal Co., Ltd","address":"#701,C-dong Bundang Techno Park Pangyoro 744 Bundang-gu Sungnam-si Kyungkido KR 13510","country":"KR"}]