Who owns MAC prefix 0005C7?

0005C7 is registered to I/F-COM A/S in the IEEE MA-L registry.

What devices use 0005C7?

Any network device with a MAC address starting 00:05:C7 was manufactured by or for I/F-COM A/S.

MA-L · OUI prefix

I/F-COM A/S

Any MAC address starting 00:05:C7 is registered to I/F-COM A/S in DK.

OUI prefix	0005C7
Vendor	I/F-COM A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:05:C7:00:00:00

What this means

The IEEE assigned the MA-L block 0005C7 to I/F-COM A/S. 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 00:05:C7, it is I/F-COM A/S hardware.

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