What this means
The IEEE assigned the MA-L block 645299 to The Chamberlain Group, 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 64:52:99, it is The Chamberlain Group, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 645299?
645299 is registered to The Chamberlain Group, 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. The Chamberlain Group, Inc's block covers 16,777,216 addresses.
What devices use 645299?
Any network device with a MAC address starting 64:52:99 was manufactured by or for The Chamberlain Group, Inc.