D4:39:B8 Ciena Corporation
Every MAC address from D4:39:B8:00:00:00 to D4:39:B8:FF:FF:FF belongs to a block the IEEE assigned to Ciena Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:39:B8 belongs to
Written D4:39:B8, D4-39-B8 or D439B8, depending on the system. Look up a full address.
Prefix
D4:39:B8
Organization
Ciena Corporation
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:39:B8:00:00:00
Last address
D4:39:B8:FF:FF:FF
Address type
Globally unique, unicast
Registered address
7035 Ridge Road Hanover MD US 21076
Same organization
Other blocks assigned to Ciena Corporation
29 more blocks registered under the same name.