Who owns MAC prefix 1C4A3B?

1C4A3B is registered to ACCTON TECHNOLOGY CORPORATION in the IEEE MA-L registry.

What devices use 1C4A3B?

Any network device with a MAC address starting 1C:4A:3B was manufactured by or for ACCTON TECHNOLOGY CORPORATION.

MA-L · OUI prefix

ACCTON TECHNOLOGY CORPORATION

Any MAC address starting 1C:4A:3B is registered to ACCTON TECHNOLOGY CORPORATION in TW.

OUI prefix	1C4A3B
Vendor	ACCTON TECHNOLOGY CORPORATION
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	1C:4A:3B:00:00:00

What this means

The IEEE assigned the MA-L block 1C4A3B to ACCTON 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 1C:4A:3B, it is ACCTON TECHNOLOGY CORPORATION hardware.

Other ACCTON TECHNOLOGY CORPORATION prefixes

ACCTON TECHNOLOGY CORPORATION holds 12 registered blocks in total.

2C0369 54BB8F 5C4097 90D529 9C4711 AC81B5 B46F78 BC121F CCDD28 D08E17 FC3D98

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