Who owns MAC prefix 8C1F6442B?

8C1F6442B is registered to Gamber Johnson-LLC in the IEEE MA-S registry.

What devices use 8C1F6442B?

Any network device with a MAC address starting 8C:1F:64:42:B was manufactured by or for Gamber Johnson-LLC.

MA-S · OUI prefix

Gamber Johnson-LLC

Any MAC address starting 8C:1F:64:42:B is registered to Gamber Johnson-LLC in US.

OUI prefix	8C1F6442B
Vendor	Gamber Johnson-LLC
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:42:B:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F6442B to Gamber Johnson-LLC. 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:64:42:B, it is Gamber Johnson-LLC hardware.

Other Gamber Johnson-LLC prefixes

Gamber Johnson-LLC holds 7 registered blocks in total.

68DA73B 70B3D5178 70B3D5DBC 70B3D5E34 8C1F6404C 8C1F64CB5

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