[{"mac_prefix":"00:01:67","mask_bits":24,"block_type":"MA-L","organization":"HIOKI E.E. CORPORATION","address":"81 Koizumi, Ueda, Nagano 386-1192 386-1192 JP","country":"JP"},{"mac_prefix":"00:C0:9C","mask_bits":24,"block_type":"MA-L","organization":"HIOKI E.E. CORPORATION","address":"81 Koizumi, Ueda, Nagano Tokyo  JP 386-1192","country":"JP"}]