What this means
The IEEE assigned the MA-M block 501911D to MIKI KAIHATSU 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 50:19:11:D, it is MIKI KAIHATSU Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 501911D?
501911D is registered to MIKI KAIHATSU 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. MIKI KAIHATSU Co.,Ltd's block covers 1,048,576 addresses.
What devices use 501911D?
Any network device with a MAC address starting 50:19:11:D was manufactured by or for MIKI KAIHATSU Co.,Ltd.