What this means
The IEEE assigned the MA-L block 00227E to Chengdu 30Kaitian Communication Industry 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 00:22:7E, it is Chengdu 30Kaitian Communication Industry Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 00227E?
00227E is registered to Chengdu 30Kaitian Communication Industry 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. Chengdu 30Kaitian Communication Industry Co.Ltd's block covers 16,777,216 addresses.
What devices use 00227E?
Any network device with a MAC address starting 00:22:7E was manufactured by or for Chengdu 30Kaitian Communication Industry Co.Ltd.