What this means
The IEEE assigned the MA-L block B42A39 to ORBIT MERRET, spol. s r. o.. 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 B4:2A:39, it is ORBIT MERRET, spol. s r. o. hardware.
Frequently Asked Questions
Who owns MAC prefix B42A39?
B42A39 is registered to ORBIT MERRET, spol. s r. o. 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. ORBIT MERRET, spol. s r. o.'s block covers 16,777,216 addresses.
What devices use B42A39?
Any network device with a MAC address starting B4:2A:39 was manufactured by or for ORBIT MERRET, spol. s r. o..