Who owns MAC prefix 00024B?

00024B is registered to Cisco Systems, Inc in the IEEE MA-L registry.

What devices use 00024B?

Any network device with a MAC address starting 00:02:4B was manufactured by or for Cisco Systems, Inc.

MA-L · OUI prefix

Cisco Systems, Inc

Any MAC address starting 00:02:4B is registered to Cisco Systems, Inc in US.

OUI prefix	00024B
Vendor	Cisco Systems, Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:02:4B:00:00:00

What this means

The IEEE assigned the MA-L block 00024B to Cisco 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 00:02:4B, it is Cisco Systems, Inc hardware.

Other Cisco Systems, Inc prefixes

Cisco Systems, Inc holds 1,248 registered blocks in total.

00000C 000142 000143 000163 000164 000196 000197 0001C7 0001C9 000216 000217 00023D all 1,248 »

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