What this means
The IEEE assigned the MA-L block 00072B to Jung Myung Telecom 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 00:07:2B, it is Jung Myung Telecom Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00072B?
00072B is registered to Jung Myung Telecom 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. Jung Myung Telecom Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 00072B?
Any network device with a MAC address starting 00:07:2B was manufactured by or for Jung Myung Telecom Co., Ltd..