Who owns MAC prefix 8C1F641D4?

8C1F641D4 is registered to Integer.pl S.A. in the IEEE MA-S registry.

What devices use 8C1F641D4?

Any network device with a MAC address starting 8C:1F:64:1D:4 was manufactured by or for Integer.pl S.A..

MA-S · OUI prefix

Integer.pl S.A.

Any MAC address starting 8C:1F:64:1D:4 is registered to Integer.pl S.A. in PL.

OUI prefix	8C1F641D4
Vendor	Integer.pl S.A.
Registry	MA-S (36-bit, small block)
Country	PL
Example MAC	8C:1F:64:1D:4:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F641D4 to Integer.pl 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:64:1D:4, it is Integer.pl S.A. hardware.

Other Integer.pl S.A. prefixes

Integer.pl S.A. holds 12 registered blocks in total.

70B3D52D1 8C1F64299 8C1F64402 8C1F64438 8C1F64568 8C1F649D8 8C1F64A49 8C1F64A97 8C1F64D57 8C1F64D5E 8C1F64E45

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