What this means
The IEEE assigned the MA-L block 7881CE to China Mobile Iot Limited company. 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 78:81:CE, it is China Mobile Iot Limited company hardware.
Frequently Asked Questions
Who owns MAC prefix 7881CE?
7881CE is registered to China Mobile Iot Limited company 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. China Mobile Iot Limited company's block covers 16,777,216 addresses.
What devices use 7881CE?
Any network device with a MAC address starting 78:81:CE was manufactured by or for China Mobile Iot Limited company.