What this means
The IEEE assigned the MA-L block 00251A to Psiber Data Systems 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 00:25:1A, it is Psiber Data Systems Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00251A?
00251A is registered to Psiber Data Systems 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. Psiber Data Systems Inc.'s block covers 16,777,216 addresses.
What devices use 00251A?
Any network device with a MAC address starting 00:25:1A was manufactured by or for Psiber Data Systems Inc..