Who owns MAC prefix 38C7BA?

38C7BA is registered to CS Services Co.,Ltd. in the IEEE MA-L registry.

What devices use 38C7BA?

Any network device with a MAC address starting 38:C7:BA was manufactured by or for CS Services Co.,Ltd..

MA-L · OUI prefix

CS Services Co.,Ltd.

Any MAC address starting 38:C7:BA is registered to CS Services Co.,Ltd. in JP.

OUI prefix	38C7BA
Vendor	CS Services Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	38:C7:BA:00:00:00

What this means

The IEEE assigned the MA-L block 38C7BA to CS Services Co.,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 38:C7:BA, it is CS Services Co.,Ltd. hardware.

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