What this means
The IEEE assigned the MA-L block 000E4B to atrium c and i. 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 00:0E:4B, it is atrium c and i hardware.
Frequently Asked Questions
Who owns MAC prefix 000E4B?
000E4B is registered to atrium c and i 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. atrium c and i's block covers 16,777,216 addresses.
What devices use 000E4B?
Any network device with a MAC address starting 00:0E:4B was manufactured by or for atrium c and i.