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Devices with MAC addresses that start with 20-80-58 were manufactured by Ciena Corporation

Device ManufacturerCiena Corporation
7035 Ridge Road
Hanover MD 21076
Estimated Devices with 20-80-5816256250
Estimated Total Devices From Mfg178818750
Other MAC Addresses2C-39-C1, 74-87-BB, D0-19-6A, 14-4E-2A, 1C-11-61, C4-83-6F, 00-23-8A, 9C-7A-03, EC-B0-E1, 54-C3-3E
Address Examples