Who owns MAC prefix 001BC504B?

001BC504B is registered to Silicon Controls in the IEEE MA-S registry.

What devices use 001BC504B?

Any network device with a MAC address starting 00:1B:C5:04:B was manufactured by or for Silicon Controls.

MA-S · OUI prefix

Silicon Controls

Any MAC address starting 00:1B:C5:04:B is registered to Silicon Controls in AU.

OUI prefix	001BC504B
Vendor	Silicon Controls
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	00:1B:C5:04:B:00:00:00

What this means

The IEEE assigned the MA-S block 001BC504B to Silicon Controls. 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 00:1B:C5:04:B, it is Silicon Controls hardware.

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