What this means
The IEEE assigned the MA-M block BC6641E to Lucent Trans Electronics 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 BC:66:41:E, it is Lucent Trans Electronics Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix BC6641E?
BC6641E is registered to Lucent Trans Electronics Co., Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Lucent Trans Electronics Co., Ltd's block covers 1,048,576 addresses.
What devices use BC6641E?
Any network device with a MAC address starting BC:66:41:E was manufactured by or for Lucent Trans Electronics Co., Ltd.