What this means
The IEEE assigned the MA-L block 003046 to Controlled Electronic Manageme. 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 00:30:46, it is Controlled Electronic Manageme hardware.
Frequently Asked Questions
Who owns MAC prefix 003046?
003046 is registered to Controlled Electronic Manageme 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. Controlled Electronic Manageme's block covers 16,777,216 addresses.
What devices use 003046?
Any network device with a MAC address starting 00:30:46 was manufactured by or for Controlled Electronic Manageme.