[{"mac_prefix":"00:23:8A","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"920 Elkridge Landing Linthicum MD US 21090","country":"US"},{"mac_prefix":"04:79:FD","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"900 International Drive  Linthicum MD US 21090-2200","country":"US"},{"mac_prefix":"14:4E:2A","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"18:92:A4","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"1C:11:61","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"20:80:58","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"24:65:E1","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"2C:39:C1","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"2C:4A:11","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"54:C3:3E","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"5C:07:A4","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"900 International Drive  Linthicum MD US 21090-2200","country":"US"},{"mac_prefix":"74:87:BB","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"78:5F:A4","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"78:D7:1A","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"84:8D:CE","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"90:DF:06","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"94:43:4D","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"98:11:CC","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"9C:7A:03","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"AC:89:D2","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"C4:83:6F","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"C8:CA:79","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"D0:19:6A","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"D4:39:B8","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"D4:B7:D0","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"D4:E4:C3","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"900 International Drive  Linthicum MD US 21090-2200","country":"US"},{"mac_prefix":"E0:9B:27","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"E4:6D:7F","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"E4:FE:E4","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"},{"mac_prefix":"EC:B0:E1","mask_bits":24,"block_type":"MA-L","organization":"Ciena Corporation","address":"7035 Ridge Road Hanover MD US 21076","country":"US"}]