What this means
The IEEE assigned the MA-L block A47ACF to VIBICOM COMMUNICATIONS INC.. 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 A4:7A:CF, it is VIBICOM COMMUNICATIONS INC. hardware.
Frequently Asked Questions
Who owns MAC prefix A47ACF?
A47ACF is registered to VIBICOM COMMUNICATIONS INC. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. VIBICOM COMMUNICATIONS INC.'s block covers 16,777,216 addresses.
What devices use A47ACF?
Any network device with a MAC address starting A4:7A:CF was manufactured by or for VIBICOM COMMUNICATIONS INC..