What this means
The IEEE assigned the MA-L block 0009F4 to Alcon Laboratories, Inc.. 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:F4, it is Alcon Laboratories, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0009F4?
0009F4 is registered to Alcon Laboratories, Inc. 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. Alcon Laboratories, Inc.'s block covers 16,777,216 addresses.
What devices use 0009F4?
Any network device with a MAC address starting 00:09:F4 was manufactured by or for Alcon Laboratories, Inc..