Who owns MAC prefix 001BC505D?

001BC505D is registered to JSC Prominform in the IEEE MA-S registry.

What devices use 001BC505D?

Any network device with a MAC address starting 00:1B:C5:05:D was manufactured by or for JSC Prominform.

MA-S · OUI prefix

JSC Prominform

Any MAC address starting 00:1B:C5:05:D is registered to JSC Prominform in RU.

OUI prefix	001BC505D
Vendor	JSC Prominform
Registry	MA-S (36-bit, small block)
Country	RU
Example MAC	00:1B:C5:05:D:00:00:00

What this means

The IEEE assigned the MA-S block 001BC505D to JSC Prominform. 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:C5:05:D, it is JSC Prominform hardware.

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