Who owns MAC prefix 8C1F64641?

8C1F64641 is registered to biosilver .co.,ltd in the IEEE MA-S registry.

What devices use 8C1F64641?

Any network device with a MAC address starting 8C:1F:64:64:1 was manufactured by or for biosilver .co.,ltd.

MA-S · OUI prefix

biosilver .co.,ltd

Any MAC address starting 8C:1F:64:64:1 is registered to biosilver .co.,ltd in JP.

OUI prefix	8C1F64641
Vendor	biosilver .co.,ltd
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	8C:1F:64:64:1:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64641 to biosilver .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 8C:1F:64:64:1, it is biosilver .co.,ltd hardware.

Other biosilver .co.,ltd prefixes

biosilver .co.,ltd holds 6 registered blocks in total.

70B3D543F 70B3D5D21 8C1F640D2 8C1F6434D 8C1F64350

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