Who owns MAC prefix 8C1F64B79?

8C1F64B79 is registered to AddSecure Smart Grids in the IEEE MA-S registry.

What devices use 8C1F64B79?

Any network device with a MAC address starting 8C:1F:64:B7:9 was manufactured by or for AddSecure Smart Grids.

MA-S · OUI prefix

AddSecure Smart Grids

Any MAC address starting 8C:1F:64:B7:9 is registered to AddSecure Smart Grids in SE.

OUI prefix	8C1F64B79
Vendor	AddSecure Smart Grids
Registry	MA-S (36-bit, small block)
Country	SE
Example MAC	8C:1F:64:B7:9:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64B79 to AddSecure Smart Grids. 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:B7:9, it is AddSecure Smart Grids hardware.

Other AddSecure Smart Grids prefixes

AddSecure Smart Grids holds 2 registered blocks in total.

70B3D5126

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