What this means
The IEEE assigned the MA-L block 3CB9A6 to Belden Deutschland GmbH. 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 3C:B9:A6, it is Belden Deutschland GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 3CB9A6?
3CB9A6 is registered to Belden Deutschland GmbH 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. Belden Deutschland GmbH's block covers 16,777,216 addresses.
What devices use 3CB9A6?
Any network device with a MAC address starting 3C:B9:A6 was manufactured by or for Belden Deutschland GmbH.