Who owns MAC prefix 04D16EC?

04D16EC is registered to PacPort Corporation in the IEEE MA-M registry.

What devices use 04D16EC?

Any network device with a MAC address starting 04:D1:6E:C was manufactured by or for PacPort Corporation.

MA-M · OUI prefix

PacPort Corporation

Any MAC address starting 04:D1:6E:C is registered to PacPort Corporation in JP.

OUI prefix	04D16EC
Vendor	PacPort Corporation
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	04:D1:6E:C:00:00:00

What this means

The IEEE assigned the MA-M block 04D16EC to PacPort Corporation. 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 04:D1:6E:C, it is PacPort Corporation hardware.

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