What this means
The IEEE assigned the MA-L block D4BF2D to SE Controls Asia Pacific Ltd. 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 D4:BF:2D, it is SE Controls Asia Pacific Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix D4BF2D?
D4BF2D is registered to SE Controls Asia Pacific Ltd 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. SE Controls Asia Pacific Ltd's block covers 16,777,216 addresses.
What devices use D4BF2D?
Any network device with a MAC address starting D4:BF:2D was manufactured by or for SE Controls Asia Pacific Ltd.