What this means
The IEEE assigned the MA-L block 001A43 to Logical Link Communications. 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 00:1A:43, it is Logical Link Communications hardware.
Frequently Asked Questions
Who owns MAC prefix 001A43?
001A43 is registered to Logical Link Communications 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. Logical Link Communications's block covers 16,777,216 addresses.
What devices use 001A43?
Any network device with a MAC address starting 00:1A:43 was manufactured by or for Logical Link Communications.