What this means
The IEEE assigned the MA-L block 001289 to Advance Sterilization Products. 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 00:12:89, it is Advance Sterilization Products hardware.
Frequently Asked Questions
Who owns MAC prefix 001289?
001289 is registered to Advance Sterilization Products 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. Advance Sterilization Products's block covers 16,777,216 addresses.
What devices use 001289?
Any network device with a MAC address starting 00:12:89 was manufactured by or for Advance Sterilization Products.