What this means
The IEEE assigned the MA-L block A0231B to TeleComp R&D 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 A0:23:1B, it is TeleComp R&D Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix A0231B?
A0231B is registered to TeleComp R&D 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. TeleComp R&D Corp.'s block covers 16,777,216 addresses.
What devices use A0231B?
Any network device with a MAC address starting A0:23:1B was manufactured by or for TeleComp R&D Corp..