Who owns MAC prefix 001BC500B?

001BC500B is registered to Private in the IEEE MA-S registry.

What devices use 001BC500B?

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

MA-S · OUI prefix

Private

Any MAC address starting 00:1B:C5:00:B is registered to Private.

OUI prefix	001BC500B
Vendor	Private
Registry	MA-S (36-bit, small block)
Example MAC	00:1B:C5:00:B:00:00:00

What this means

The IEEE assigned the MA-S block 001BC500B to Private. 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:C5:00:B, it is Private hardware.

Other Private prefixes

Private holds 213 registered blocks in total.

000B18 000BF4 000C53 000D58 000DA7 000DC2 000DF2 000E17 000E22 000101 000578 000EEF all 213 »

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