[{"mac_prefix":"00:02:01","mask_bits":24,"block_type":"MA-L","organization":"IFM Electronic gmbh","address":"Bechlingen 34   DE","country":"DE"},{"mac_prefix":"74:73:1D","mask_bits":24,"block_type":"MA-L","organization":"ifm electronic gmbh","address":"ifm-Straße 1 Tettnang BW DE 88069","country":"DE"}]