Who owns MAC prefix 00045B?

00045B is registered to Techsan Electronics Co., Ltd. in the IEEE MA-L registry.

What devices use 00045B?

Any network device with a MAC address starting 00:04:5B was manufactured by or for Techsan Electronics Co., Ltd..

MA-L · OUI prefix

Techsan Electronics Co., Ltd.

Any MAC address starting 00:04:5B is registered to Techsan Electronics Co., Ltd. in GB.

OUI prefix	00045B
Vendor	Techsan Electronics Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	GB
Example MAC	00:04:5B:00:00:00

What this means

The IEEE assigned the MA-L block 00045B to Techsan 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 00:04:5B, it is Techsan Electronics Co., Ltd. hardware.

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