What this means
The IEEE assigned the MA-L block 001B9D to Novus Security Sp. z o.o.. 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 00:1B:9D, it is Novus Security Sp. z o.o. hardware.
Frequently Asked Questions
Who owns MAC prefix 001B9D?
001B9D is registered to Novus Security Sp. z o.o. 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. Novus Security Sp. z o.o.'s block covers 16,777,216 addresses.
What devices use 001B9D?
Any network device with a MAC address starting 00:1B:9D was manufactured by or for Novus Security Sp. z o.o..