Who owns MAC prefix 00023B?

00023B is registered to Ericsson in the IEEE MA-L registry.

What devices use 00023B?

Any network device with a MAC address starting 00:02:3B was manufactured by or for Ericsson.

MA-L · OUI prefix

Ericsson

Any MAC address starting 00:02:3B is registered to Ericsson in US.

OUI prefix	00023B
Vendor	Ericsson
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:02:3B:00:00:00

What this means

The IEEE assigned the MA-L block 00023B to Ericsson. 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 00:02:3B, it is Ericsson hardware.

Other Ericsson prefixes

Ericsson holds 6 registered blocks in total.

000D67 0015E0 001067 003088 D0F0DB

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