What this means
The IEEE assigned the MA-L block 0025B9 to Cypress Solutions 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:B9, it is Cypress Solutions Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 0025B9?
0025B9 is registered to Cypress Solutions 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. Cypress Solutions Inc's block covers 16,777,216 addresses.
What devices use 0025B9?
Any network device with a MAC address starting 00:25:B9 was manufactured by or for Cypress Solutions Inc.