What this means
The IEEE assigned the MA-L block 001787 to Brother, Brother & Sons ApS. 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 00:17:87, it is Brother, Brother & Sons ApS hardware.
Frequently Asked Questions
Who owns MAC prefix 001787?
001787 is registered to Brother, Brother & Sons ApS 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. Brother, Brother & Sons ApS's block covers 16,777,216 addresses.
What devices use 001787?
Any network device with a MAC address starting 00:17:87 was manufactured by or for Brother, Brother & Sons ApS.