What this means
The IEEE assigned the MA-M block C022F12 to TSURUGA Electric Corporation. 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 C0:22:F1:2, it is TSURUGA Electric Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix C022F12?
C022F12 is registered to TSURUGA Electric Corporation in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. TSURUGA Electric Corporation's block covers 1,048,576 addresses.
What devices use C022F12?
Any network device with a MAC address starting C0:22:F1:2 was manufactured by or for TSURUGA Electric Corporation.