What this means
The IEEE assigned the MA-L block 183009 to Woojin Industrial Systems 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 18:30:09, it is Woojin Industrial Systems Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 183009?
183009 is registered to Woojin Industrial Systems 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. Woojin Industrial Systems Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 183009?
Any network device with a MAC address starting 18:30:09 was manufactured by or for Woojin Industrial Systems Co., Ltd..