Who owns MAC prefix CCF957?

CCF957 is registered to u-blox AG in the IEEE MA-L registry.

What devices use CCF957?

Any network device with a MAC address starting CC:F9:57 was manufactured by or for u-blox AG.

MA-L · OUI prefix

u-blox AG

Any MAC address starting CC:F9:57 is registered to u-blox AG in CH.

OUI prefix	CCF957
Vendor	u-blox AG
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	CC:F9:57:00:00:00

What this means

The IEEE assigned the MA-L block CCF957 to u-blox AG. 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 CC:F9:57, it is u-blox AG hardware.

Other u-blox AG prefixes

u-blox AG holds 11 registered blocks in total.

0012F3 20BA36 5464DE 54F82A 6009C3 6C1DEB 80A197 90F861 B8F44F D4CA6E

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