[{"mac_prefix":"D0:C8:57:E0","mask_bits":28,"block_type":"MA-M","organization":"E-T-A Elektrotechnische Apparate GmbH","address":"Industriestr. 2-8 Altdorf  DE 90518","country":"DE"},{"mac_prefix":"70:B3:D5:AE:70","mask_bits":36,"block_type":"MA-S","organization":"E-T-A Elektrotechnische Apparate GmbH","address":"Industriestr. 2-8 Altdorf  DE 90518","country":"DE"}]