What this means
The IEEE assigned the MA-L block 0009F2 to Cohu, Inc., Electronics Division. 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 00:09:F2, it is Cohu, Inc., Electronics Division hardware.
Frequently Asked Questions
Who owns MAC prefix 0009F2?
0009F2 is registered to Cohu, Inc., Electronics Division 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. Cohu, Inc., Electronics Division's block covers 16,777,216 addresses.
What devices use 0009F2?
Any network device with a MAC address starting 00:09:F2 was manufactured by or for Cohu, Inc., Electronics Division.