What this means
The IEEE assigned the MA-L block 002573 to ST Electronics (Info-Security) Pte Ltd. 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 00:25:73, it is ST Electronics (Info-Security) Pte Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 002573?
002573 is registered to ST Electronics (Info-Security) Pte Ltd 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. ST Electronics (Info-Security) Pte Ltd's block covers 16,777,216 addresses.
What devices use 002573?
Any network device with a MAC address starting 00:25:73 was manufactured by or for ST Electronics (Info-Security) Pte Ltd.