What this means
The IEEE assigned the MA-L block E4729D to Nokia Shanghai Bell 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 E4:72:9D, it is Nokia Shanghai Bell Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix E4729D?
E4729D is registered to Nokia Shanghai Bell 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. Nokia Shanghai Bell Co., Ltd.'s block covers 16,777,216 addresses.
What devices use E4729D?
Any network device with a MAC address starting E4:72:9D was manufactured by or for Nokia Shanghai Bell Co., Ltd..