What this means
The IEEE assigned the MA-L block A0B3CC to Hewlett Packard. 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 A0:B3:CC, it is Hewlett Packard hardware.
Frequently Asked Questions
Who owns MAC prefix A0B3CC?
A0B3CC is registered to Hewlett Packard 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. Hewlett Packard's block covers 16,777,216 addresses.
What devices use A0B3CC?
Any network device with a MAC address starting A0:B3:CC was manufactured by or for Hewlett Packard.