Who owns MAC prefix 1C7E51?

1C7E51 is registered to 3bumen.com in the IEEE MA-L registry.

What devices use 1C7E51?

Any network device with a MAC address starting 1C:7E:51 was manufactured by or for 3bumen.com.

MA-L · OUI prefix

3bumen.com

Any MAC address starting 1C:7E:51 is registered to 3bumen.com.

OUI prefix	1C7E51
Vendor	3bumen.com
Registry	MA-L (24-bit, large block)
Example MAC	1C:7E:51:00:00:00

What this means

The IEEE assigned the MA-L block 1C7E51 to 3bumen.com. 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 1C:7E:51, it is 3bumen.com hardware.

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