What this means
The IEEE assigned the MA-S block 001BC504D to eiraku electric corp.. 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 00:1B:C5:04:D, it is eiraku electric corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 001BC504D?
001BC504D is registered to eiraku electric corp. in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. eiraku electric corp.'s block covers 4,096 addresses.
What devices use 001BC504D?
Any network device with a MAC address starting 00:1B:C5:04:D was manufactured by or for eiraku electric corp..