Ciena Corporation

Ciena Corporation holds 30 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Ciena Corporation draw from a pool of about 503,316,480 possible MAC addresses in total.

Registered address: 7035 Ridge Road Hanover MD US 21076

All 30 prefixes

• 00:23:8A00:23:8A:00:00:00 – 00:23:8A:FF:FF:FF
• 04:79:FD04:79:FD:00:00:00 – 04:79:FD:FF:FF:FF
• 14:4E:2A14:4E:2A:00:00:00 – 14:4E:2A:FF:FF:FF
• 18:92:A418:92:A4:00:00:00 – 18:92:A4:FF:FF:FF
• 1C:11:611C:11:61:00:00:00 – 1C:11:61:FF:FF:FF
• 20:80:5820:80:58:00:00:00 – 20:80:58:FF:FF:FF
• 24:65:E124:65:E1:00:00:00 – 24:65:E1:FF:FF:FF
• 2C:39:C12C:39:C1:00:00:00 – 2C:39:C1:FF:FF:FF
• 2C:4A:112C:4A:11:00:00:00 – 2C:4A:11:FF:FF:FF
• 54:C3:3E54:C3:3E:00:00:00 – 54:C3:3E:FF:FF:FF
• 5C:07:A45C:07:A4:00:00:00 – 5C:07:A4:FF:FF:FF
• 74:87:BB74:87:BB:00:00:00 – 74:87:BB:FF:FF:FF
• 78:5F:A478:5F:A4:00:00:00 – 78:5F:A4:FF:FF:FF
• 78:D7:1A78:D7:1A:00:00:00 – 78:D7:1A:FF:FF:FF
• 84:8D:CE84:8D:CE:00:00:00 – 84:8D:CE:FF:FF:FF
• 90:DF:0690:DF:06:00:00:00 – 90:DF:06:FF:FF:FF
• 94:43:4D94:43:4D:00:00:00 – 94:43:4D:FF:FF:FF
• 98:11:CC98:11:CC:00:00:00 – 98:11:CC:FF:FF:FF
• 9C:7A:039C:7A:03:00:00:00 – 9C:7A:03:FF:FF:FF
• AC:89:D2AC:89:D2:00:00:00 – AC:89:D2:FF:FF:FF
• C4:83:6FC4:83:6F:00:00:00 – C4:83:6F:FF:FF:FF
• C8:CA:79C8:CA:79:00:00:00 – C8:CA:79:FF:FF:FF
• D0:19:6AD0:19:6A:00:00:00 – D0:19:6A:FF:FF:FF
• D4:39:B8D4:39:B8:00:00:00 – D4:39:B8:FF:FF:FF
• D4:B7:D0D4:B7:D0:00:00:00 – D4:B7:D0:FF:FF:FF
• D4:E4:C3D4:E4:C3:00:00:00 – D4:E4:C3:FF:FF:FF
• E0:9B:27E0:9B:27:00:00:00 – E0:9B:27:FF:FF:FF
• E4:6D:7FE4:6D:7F:00:00:00 – E4:6D:7F:FF:FF:FF
• E4:FE:E4E4:FE:E4:00:00:00 – E4:FE:E4:FF:FF:FF
• EC:B0:E1EC:B0:E1:00:00:00 – EC:B0:E1:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.