What this means
The IEEE assigned the MA-L block 381EC7 to Chipsea Technologies(Shenzhen) Corp.. 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 38:1E:C7, it is Chipsea Technologies(Shenzhen) Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 381EC7?
381EC7 is registered to Chipsea Technologies(Shenzhen) Corp. 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. Chipsea Technologies(Shenzhen) Corp.'s block covers 16,777,216 addresses.
What devices use 381EC7?
Any network device with a MAC address starting 38:1E:C7 was manufactured by or for Chipsea Technologies(Shenzhen) Corp..