What this means
The IEEE assigned the MA-L block D49D9D to Shenzhen Goodocom lnformation 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 D4:9D:9D, it is Shenzhen Goodocom lnformation Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D49D9D?
D49D9D is registered to Shenzhen Goodocom lnformation 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. Shenzhen Goodocom lnformation Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use D49D9D?
Any network device with a MAC address starting D4:9D:9D was manufactured by or for Shenzhen Goodocom lnformation Technology Co.,Ltd..