What this means
The IEEE assigned the MA-L block 002203 to Glensound Electronics 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 00:22:03, it is Glensound Electronics Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 002203?
002203 is registered to Glensound Electronics 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. Glensound Electronics Ltd's block covers 16,777,216 addresses.
What devices use 002203?
Any network device with a MAC address starting 00:22:03 was manufactured by or for Glensound Electronics Ltd.