What this means
The IEEE assigned the MA-L block 381C23 to Hilan Technology 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 38:1C:23, it is Hilan Technology CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 381C23?
381C23 is registered to Hilan Technology 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. Hilan Technology CO.,LTD's block covers 16,777,216 addresses.
What devices use 381C23?
Any network device with a MAC address starting 38:1C:23 was manufactured by or for Hilan Technology CO.,LTD.