What this means
The IEEE assigned the MA-L block 00228B to Kensington Computer Products Group. 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 00:22:8B, it is Kensington Computer Products Group hardware.
Frequently Asked Questions
Who owns MAC prefix 00228B?
00228B is registered to Kensington Computer Products Group 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. Kensington Computer Products Group's block covers 16,777,216 addresses.
What devices use 00228B?
Any network device with a MAC address starting 00:22:8B was manufactured by or for Kensington Computer Products Group.