What this means
The IEEE assigned the MA-L block 000D2B to Racal Instruments. 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 00:0D:2B, it is Racal Instruments hardware.
Frequently Asked Questions
Who owns MAC prefix 000D2B?
000D2B is registered to Racal Instruments 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. Racal Instruments's block covers 16,777,216 addresses.
What devices use 000D2B?
Any network device with a MAC address starting 00:0D:2B was manufactured by or for Racal Instruments.