Who owns MAC prefix 00B81D?

00B81D is registered to Extreme Networks, Inc. in the IEEE MA-L registry.

What devices use 00B81D?

Any network device with a MAC address starting 00:B8:1D was manufactured by or for Extreme Networks, Inc..

MA-L · OUI prefix

Extreme Networks, Inc.

Any MAC address starting 00:B8:1D is registered to Extreme Networks, Inc. in US.

OUI prefix	00B81D
Vendor	Extreme Networks, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:B8:1D:00:00:00

What this means

The IEEE assigned the MA-L block 00B81D to Extreme Networks, 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:B8:1D, it is Extreme Networks, Inc. hardware.

Other Extreme Networks, Inc. prefixes

Extreme Networks, Inc. holds 96 registered blocks in total.

000130 000496 001977 0089C9 00DCB2 00E02B 00E60E 08EA44 0C9B78 0CED71 1849F8 1C2D60 all 96 »

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