What this means
The IEEE assigned the MA-L block 001534 to A Beltrónica-Companhia de Comunicações, Lda. 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 00:15:34, it is A Beltrónica-Companhia de Comunicações, Lda hardware.
Frequently Asked Questions
Who owns MAC prefix 001534?
001534 is registered to A Beltrónica-Companhia de Comunicações, Lda 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. A Beltrónica-Companhia de Comunicações, Lda's block covers 16,777,216 addresses.
What devices use 001534?
Any network device with a MAC address starting 00:15:34 was manufactured by or for A Beltrónica-Companhia de Comunicações, Lda.