Who owns MAC prefix 000355?

000355 is registered to TeraBeam Internet Systems in the IEEE MA-L registry.

What devices use 000355?

Any network device with a MAC address starting 00:03:55 was manufactured by or for TeraBeam Internet Systems.

MA-L · OUI prefix

TeraBeam Internet Systems

Any MAC address starting 00:03:55 is registered to TeraBeam Internet Systems in US.

OUI prefix	000355
Vendor	TeraBeam Internet Systems
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:03:55:00:00:00

What this means

The IEEE assigned the MA-L block 000355 to TeraBeam Internet Systems. 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 00:03:55, it is TeraBeam Internet Systems hardware.

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