What this means
The IEEE assigned the MA-L block B0B2DC to Zyxel Communications 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 B0:B2:DC, it is Zyxel Communications Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix B0B2DC?
B0B2DC is registered to Zyxel Communications Corporation 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. Zyxel Communications Corporation's block covers 16,777,216 addresses.
What devices use B0B2DC?
Any network device with a MAC address starting B0:B2:DC was manufactured by or for Zyxel Communications Corporation.