What this means
The IEEE assigned the MA-L block 642677 to BKM-Micronic Richtfunkanlagen GmbH. 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 64:26:77, it is BKM-Micronic Richtfunkanlagen GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 642677?
642677 is registered to BKM-Micronic Richtfunkanlagen GmbH 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. BKM-Micronic Richtfunkanlagen GmbH's block covers 16,777,216 addresses.
What devices use 642677?
Any network device with a MAC address starting 64:26:77 was manufactured by or for BKM-Micronic Richtfunkanlagen GmbH.