What this means
The IEEE assigned the MA-L block 001B4E to Navman New Zealand. 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:4E, it is Navman New Zealand hardware.
Frequently Asked Questions
Who owns MAC prefix 001B4E?
001B4E is registered to Navman New Zealand 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. Navman New Zealand's block covers 16,777,216 addresses.
What devices use 001B4E?
Any network device with a MAC address starting 00:1B:4E was manufactured by or for Navman New Zealand.