Who owns MAC prefix 083C033?

083C033 is registered to GlobalXtreme in the IEEE MA-M registry.

What devices use 083C033?

Any network device with a MAC address starting 08:3C:03:3 was manufactured by or for GlobalXtreme.

MA-M · OUI prefix

GlobalXtreme

Any MAC address starting 08:3C:03:3 is registered to GlobalXtreme in ID.

OUI prefix	083C033
Vendor	GlobalXtreme
Registry	MA-M (28-bit, medium block)
Country	ID
Example MAC	08:3C:03:3:00:00:00

What this means

The IEEE assigned the MA-M block 083C033 to GlobalXtreme. 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 08:3C:03:3, it is GlobalXtreme hardware.

Other GlobalXtreme prefixes

GlobalXtreme holds 2 registered blocks in total.

485E0E5

Look up another MAC