What this means
The IEEE assigned the MA-L block ACCF7B to INGRAM MICRO SERVICES. 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 AC:CF:7B, it is INGRAM MICRO SERVICES hardware.
Frequently Asked Questions
Who owns MAC prefix ACCF7B?
ACCF7B is registered to INGRAM MICRO SERVICES 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. INGRAM MICRO SERVICES's block covers 16,777,216 addresses.
What devices use ACCF7B?
Any network device with a MAC address starting AC:CF:7B was manufactured by or for INGRAM MICRO SERVICES.