Who owns MAC prefix 000633?

000633 is registered to Crossmatch Technologies/HID Global in the IEEE MA-L registry.

What devices use 000633?

Any network device with a MAC address starting 00:06:33 was manufactured by or for Crossmatch Technologies/HID Global.

MA-L · OUI prefix

Crossmatch Technologies/HID Global

Any MAC address starting 00:06:33 is registered to Crossmatch Technologies/HID Global in DE.

OUI prefix	000633
Vendor	Crossmatch Technologies/HID Global
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:06:33:00:00:00

What this means

The IEEE assigned the MA-L block 000633 to Crossmatch Technologies/HID Global. 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 00:06:33, it is Crossmatch Technologies/HID Global hardware.

Other Crossmatch Technologies/HID Global prefixes

Crossmatch Technologies/HID Global holds 2 registered blocks in total.

00308E

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