Who owns MAC prefix 000D57?

000D57 is registered to Fujitsu I-Network Systems Limited. in the IEEE MA-L registry.

What devices use 000D57?

Any network device with a MAC address starting 00:0D:57 was manufactured by or for Fujitsu I-Network Systems Limited..

MA-L · OUI prefix

Fujitsu I-Network Systems Limited.

Any MAC address starting 00:0D:57 is registered to Fujitsu I-Network Systems Limited. in JP.

OUI prefix	000D57
Vendor	Fujitsu I-Network Systems Limited.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:0D:57:00:00:00

What this means

The IEEE assigned the MA-L block 000D57 to Fujitsu I-Network Systems Limited.. 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 00:0D:57, it is Fujitsu I-Network Systems Limited. hardware.

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