Who owns MAC prefix 5C0E8B?

5C0E8B is registered to Extreme Networks, Inc. in the IEEE MA-L registry.

What devices use 5C0E8B?

Any network device with a MAC address starting 5C:0E:8B was manufactured by or for Extreme Networks, Inc..

MA-L · OUI prefix

Extreme Networks, Inc.

Any MAC address starting 5C:0E:8B is registered to Extreme Networks, Inc. in US.

OUI prefix	5C0E8B
Vendor	Extreme Networks, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	5C:0E:8B:00:00:00

What this means

The IEEE assigned the MA-L block 5C0E8B 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 5C:0E:8B, it is Extreme Networks, Inc. hardware.

Other Extreme Networks, Inc. prefixes

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

000130 000496 001977 0089C9 00B81D 00DCB2 00E02B 00E60E 08EA44 0C9B78 0CED71 1849F8 all 96 »

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