What this means
The IEEE assigned the MA-L block 000B89 to Top Global Technology, 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 00:0B:89, it is Top Global Technology, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000B89?
000B89 is registered to Top Global Technology, 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. Top Global Technology, Ltd.'s block covers 16,777,216 addresses.
What devices use 000B89?
Any network device with a MAC address starting 00:0B:89 was manufactured by or for Top Global Technology, Ltd..