[{"mac_prefix":"00:10:94","mask_bits":24,"block_type":"MA-L","organization":"Performance Analysis Broadband, Spirent plc","address":"27349 Agoura Road Calabasas Hills CA US 91301","country":"US"},{"mac_prefix":"00:60:F3","mask_bits":24,"block_type":"MA-L","organization":"Performance Analysis Broadband, Spirent plc","address":"27349 Agoura Road Calabasas Hills CA US 91301","country":"US"}]