Who owns MAC prefix 000F5B?

000F5B is registered to Delta Information Systems, Inc. in the IEEE MA-L registry.

What devices use 000F5B?

Any network device with a MAC address starting 00:0F:5B was manufactured by or for Delta Information Systems, Inc..

MA-L · OUI prefix

Delta Information Systems, Inc.

Any MAC address starting 00:0F:5B is registered to Delta Information Systems, Inc. in US.

OUI prefix	000F5B
Vendor	Delta Information Systems, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:0F:5B:00:00:00

What this means

The IEEE assigned the MA-L block 000F5B to Delta Information Systems, 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 00:0F:5B, it is Delta Information Systems, Inc. hardware.

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