Who owns MAC prefix 7C7BE4?

7C7BE4 is registered to Z'SEDAI KENKYUSHO CORPORATION in the IEEE MA-L registry.

What devices use 7C7BE4?

Any network device with a MAC address starting 7C:7B:E4 was manufactured by or for Z'SEDAI KENKYUSHO CORPORATION.

MA-L · OUI prefix

Z'SEDAI KENKYUSHO CORPORATION

Any MAC address starting 7C:7B:E4 is registered to Z'SEDAI KENKYUSHO CORPORATION in JP.

OUI prefix	7C7BE4
Vendor	Z'SEDAI KENKYUSHO CORPORATION
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	7C:7B:E4:00:00:00

What this means

The IEEE assigned the MA-L block 7C7BE4 to Z'SEDAI KENKYUSHO CORPORATION. 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 7C:7B:E4, it is Z'SEDAI KENKYUSHO CORPORATION hardware.

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