Who owns MAC prefix 8C1F646A8?

8C1F646A8 is registered to Bulwark in the IEEE MA-S registry.

What devices use 8C1F646A8?

Any network device with a MAC address starting 8C:1F:64:6A:8 was manufactured by or for Bulwark.

MA-S · OUI prefix

Bulwark

Any MAC address starting 8C:1F:64:6A:8 is registered to Bulwark in AU.

OUI prefix	8C1F646A8
Vendor	Bulwark
Registry	MA-S (36-bit, small block)
Country	AU
Example MAC	8C:1F:64:6A:8:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F646A8 to Bulwark. 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:64:6A:8, it is Bulwark hardware.

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