What this means
The IEEE assigned the MA-L block 000441 to Half Dome Systems, 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 00:04:41, it is Half Dome Systems, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 000441?
000441 is registered to Half Dome Systems, 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. Half Dome Systems, Inc.'s block covers 16,777,216 addresses.
What devices use 000441?
Any network device with a MAC address starting 00:04:41 was manufactured by or for Half Dome Systems, Inc..