Who owns MAC prefix 8C1F642B4?

8C1F642B4 is registered to Sonel S.A. in the IEEE MA-S registry.

What devices use 8C1F642B4?

Any network device with a MAC address starting 8C:1F:64:2B:4 was manufactured by or for Sonel S.A..

MA-S · OUI prefix

Sonel S.A.

Any MAC address starting 8C:1F:64:2B:4 is registered to Sonel S.A. in PL.

OUI prefix	8C1F642B4
Vendor	Sonel S.A.
Registry	MA-S (36-bit, small block)
Country	PL
Example MAC	8C:1F:64:2B:4:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F642B4 to Sonel S.A.. 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:64:2B:4, it is Sonel S.A. hardware.

Other Sonel S.A. prefixes

Sonel S.A. holds 4 registered blocks in total.

70B3D5775 70B3D5F71 8C1F645B0

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