What devices use 00051B?

Any network device with a MAC address starting 00:05:1B was manufactured by or for Magic Control Technology Corporation.

MA-L · OUI prefix

Magic Control Technology Corporation

Q: Who owns MAC prefix 00051B?

00051B is registered to Magic Control Technology Corporation in the IEEE MA-L registry.

Any MAC address starting 00:05:1B is registered to Magic Control Technology Corporation in TW.

OUI prefix	00051B
Vendor	Magic Control Technology Corporation
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	00:05:1B:00:00:00

What this means

The IEEE assigned the MA-L block 00051B to Magic Control Technology 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 00:05:1B, it is Magic Control Technology Corporation hardware.

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