What devices use CC5D57?

Any network device with a MAC address starting CC:5D:57 was manufactured by or for Information System Research Institute,Inc..

MA-L · OUI prefix

Information System Research Institute,Inc.

Q: Who owns MAC prefix CC5D57?

CC5D57 is registered to Information System Research Institute,Inc. in the IEEE MA-L registry.

Any MAC address starting CC:5D:57 is registered to Information System Research Institute,Inc. in JP.

OUI prefix	CC5D57
Vendor	Information System Research Institute,Inc.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	CC:5D:57:00:00:00

What this means

The IEEE assigned the MA-L block CC5D57 to Information System Research Institute,Inc.. 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 CC:5D:57, it is Information System Research Institute,Inc. hardware.

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