What this means
The IEEE assigned the MA-L block B4DDE0 to Shanghai Amphenol Airwave Communication Electronics 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 B4:DD:E0, it is Shanghai Amphenol Airwave Communication Electronics Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B4DDE0?
B4DDE0 is registered to Shanghai Amphenol Airwave Communication Electronics 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. Shanghai Amphenol Airwave Communication Electronics Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use B4DDE0?
Any network device with a MAC address starting B4:DD:E0 was manufactured by or for Shanghai Amphenol Airwave Communication Electronics Co.,Ltd..