What this means
The IEEE assigned the MA-L block ECB0E1 to Ciena Corporation. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting EC:B0:E1, it is Ciena Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix ECB0E1?
ECB0E1 is registered to Ciena Corporation in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Ciena Corporation's block covers 16,777,216 addresses.
What devices use ECB0E1?
Any network device with a MAC address starting EC:B0:E1 was manufactured by or for Ciena Corporation.