What this means
The IEEE assigned the MA-L block 000237 to Cosmo Research Corp.. 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 00:02:37, it is Cosmo Research Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 000237?
000237 is registered to Cosmo Research Corp. 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. Cosmo Research Corp.'s block covers 16,777,216 addresses.
What devices use 000237?
Any network device with a MAC address starting 00:02:37 was manufactured by or for Cosmo Research Corp..