Who owns MAC prefix 7CBF77?

7CBF77 is registered to SPEEDTECH CORP. in the IEEE MA-L registry.

What devices use 7CBF77?

Any network device with a MAC address starting 7C:BF:77 was manufactured by or for SPEEDTECH CORP..

MA-L · OUI prefix

SPEEDTECH CORP.

Any MAC address starting 7C:BF:77 is registered to SPEEDTECH CORP. in TW.

OUI prefix	7CBF77
Vendor	SPEEDTECH CORP.
Registry	MA-L (24-bit, large block)
Country	TW
Example MAC	7C:BF:77:00:00:00

What this means

The IEEE assigned the MA-L block 7CBF77 to SPEEDTECH CORP.. 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 7C:BF:77, it is SPEEDTECH CORP. hardware.

Other SPEEDTECH CORP. prefixes

SPEEDTECH CORP. holds 4 registered blocks in total.

2C691D4 9CE5490 D823E0

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