What this means
The IEEE assigned the MA-L block 00250B to CENTROFACTOR 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 00:25:0B, it is CENTROFACTOR INC hardware.
Frequently Asked Questions
Who owns MAC prefix 00250B?
00250B is registered to CENTROFACTOR 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. CENTROFACTOR INC's block covers 16,777,216 addresses.
What devices use 00250B?
Any network device with a MAC address starting 00:25:0B was manufactured by or for CENTROFACTOR INC.