What this means
The IEEE assigned the MA-L block 88142B to Protonic Holland. 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 88:14:2B, it is Protonic Holland hardware.
Frequently Asked Questions
Who owns MAC prefix 88142B?
88142B is registered to Protonic Holland 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. Protonic Holland's block covers 16,777,216 addresses.
What devices use 88142B?
Any network device with a MAC address starting 88:14:2B was manufactured by or for Protonic Holland.