What this means
The IEEE assigned the MA-L block 000AC4 to Daewoo Teletech Co., 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 00:0A:C4, it is Daewoo Teletech Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 000AC4?
000AC4 is registered to Daewoo Teletech Co., 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. Daewoo Teletech Co., Ltd's block covers 16,777,216 addresses.
What devices use 000AC4?
Any network device with a MAC address starting 00:0A:C4 was manufactured by or for Daewoo Teletech Co., Ltd.