What this means
The IEEE assigned the MA-L block A4FB8D to Hangzhou Dunchong 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 A4:FB:8D, it is Hangzhou Dunchong Technology Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix A4FB8D?
A4FB8D is registered to Hangzhou Dunchong 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. Hangzhou Dunchong Technology Co.Ltd's block covers 16,777,216 addresses.
What devices use A4FB8D?
Any network device with a MAC address starting A4:FB:8D was manufactured by or for Hangzhou Dunchong Technology Co.Ltd.