What this means
The IEEE assigned the MA-L block B89BC9 to SMC Networks 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 B8:9B:C9, it is SMC Networks Inc hardware.
Frequently Asked Questions
Who owns MAC prefix B89BC9?
B89BC9 is registered to SMC Networks 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. SMC Networks Inc's block covers 16,777,216 addresses.
What devices use B89BC9?
Any network device with a MAC address starting B8:9B:C9 was manufactured by or for SMC Networks Inc.