[{"mac_prefix":"00:00:65","mask_bits":24,"block_type":"MA-L","organization":"Network General Corporation","address":"178 E Tsaman Dr San Jose CA US 95134","country":"US"},{"mac_prefix":"00:00:A6","mask_bits":24,"block_type":"MA-L","organization":"NETWORK GENERAL CORPORATION","address":"1296 B LAWRENCE STATION ROAD SUNNYVALE CA US 94089","country":"US"}]