What this means
The IEEE assigned the MA-L block 005040 to Panasonic Electric Works Co., Ltd.. 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 00:50:40, it is Panasonic Electric Works Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 005040?
005040 is registered to Panasonic Electric Works Co., Ltd. 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. Panasonic Electric Works Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 005040?
Any network device with a MAC address starting 00:50:40 was manufactured by or for Panasonic Electric Works Co., Ltd..