What this means
The IEEE assigned the MA-L block 00061B to Notebook Development Lab. Lenovo Japan Ltd.. 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 00:06:1B, it is Notebook Development Lab. Lenovo Japan Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00061B?
00061B is registered to Notebook Development Lab. Lenovo Japan Ltd. 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. Notebook Development Lab. Lenovo Japan Ltd.'s block covers 16,777,216 addresses.
What devices use 00061B?
Any network device with a MAC address starting 00:06:1B was manufactured by or for Notebook Development Lab. Lenovo Japan Ltd..