Who owns MAC prefix 0005B9?

0005B9 is registered to Airvana, Inc. in the IEEE MA-L registry.

What devices use 0005B9?

Any network device with a MAC address starting 00:05:B9 was manufactured by or for Airvana, Inc..

MA-L · OUI prefix

Airvana, Inc.

Any MAC address starting 00:05:B9 is registered to Airvana, Inc. in US.

OUI prefix	0005B9
Vendor	Airvana, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:05:B9:00:00:00

What this means

The IEEE assigned the MA-L block 0005B9 to Airvana, 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 00:05:B9, it is Airvana, Inc. hardware.

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