What this means
The IEEE assigned the MA-L block 1400E9 to Mitel Networks 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 14:00:E9, it is Mitel Networks Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 1400E9?
1400E9 is registered to Mitel Networks 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. Mitel Networks Corporation's block covers 16,777,216 addresses.
What devices use 1400E9?
Any network device with a MAC address starting 14:00:E9 was manufactured by or for Mitel Networks Corporation.