What this means
The IEEE assigned the MA-L block 8C5C53 to AltoBeam Inc.. 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 8C:5C:53, it is AltoBeam Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 8C5C53?
8C5C53 is registered to AltoBeam Inc. 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. AltoBeam Inc.'s block covers 16,777,216 addresses.
What devices use 8C5C53?
Any network device with a MAC address starting 8C:5C:53 was manufactured by or for AltoBeam Inc..