Who owns MAC prefix 500401?

500401 is registered to TelHi Corporation in the IEEE MA-L registry.

What devices use 500401?

Any network device with a MAC address starting 50:04:01 was manufactured by or for TelHi Corporation.

MA-L · OUI prefix

TelHi Corporation

Any MAC address starting 50:04:01 is registered to TelHi Corporation in JP.

OUI prefix	500401
Vendor	TelHi Corporation
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	50:04:01:00:00:00

What this means

The IEEE assigned the MA-L block 500401 to TelHi 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 50:04:01, it is TelHi Corporation hardware.

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