What this means
The IEEE assigned the MA-L block 00227A to Telecom Design. 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 00:22:7A, it is Telecom Design hardware.
Frequently Asked Questions
Who owns MAC prefix 00227A?
00227A is registered to Telecom Design 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. Telecom Design's block covers 16,777,216 addresses.
What devices use 00227A?
Any network device with a MAC address starting 00:22:7A was manufactured by or for Telecom Design.