What this means
The IEEE assigned the MA-L block 001B8C to JMicron Technology Corp.. 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:8C, it is JMicron Technology Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 001B8C?
001B8C is registered to JMicron Technology Corp. 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. JMicron Technology Corp.'s block covers 16,777,216 addresses.
What devices use 001B8C?
Any network device with a MAC address starting 00:1B:8C was manufactured by or for JMicron Technology Corp..