What this means
The IEEE assigned the MA-M block 4CBC989 to Airtex Manufacturing Partnership. 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 4C:BC:98:9, it is Airtex Manufacturing Partnership hardware.
Frequently Asked Questions
Who owns MAC prefix 4CBC989?
4CBC989 is registered to Airtex Manufacturing Partnership 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. Airtex Manufacturing Partnership's block covers 1,048,576 addresses.
What devices use 4CBC989?
Any network device with a MAC address starting 4C:BC:98:9 was manufactured by or for Airtex Manufacturing Partnership.