Who owns MAC prefix 8489ECC?

8489ECC is registered to SHINKAWA LTD. in the IEEE MA-M registry.

What devices use 8489ECC?

Any network device with a MAC address starting 84:89:EC:C was manufactured by or for SHINKAWA LTD..

MA-M · OUI prefix

SHINKAWA LTD.

Any MAC address starting 84:89:EC:C is registered to SHINKAWA LTD. in JP.

OUI prefix	8489ECC
Vendor	SHINKAWA LTD.
Registry	MA-M (28-bit, medium block)
Country	JP
Example MAC	84:89:EC:C:00:00:00

What this means

The IEEE assigned the MA-M block 8489ECC to SHINKAWA LTD.. 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 84:89:EC:C, it is SHINKAWA LTD. hardware.

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