What this means
The IEEE assigned the MA-M block 34E1D16 to Ningbo Hua Gao Mdt Info Tech 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 34:E1:D1:6, it is Ningbo Hua Gao Mdt Info Tech Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 34E1D16?
34E1D16 is registered to Ningbo Hua Gao Mdt Info Tech Ltd in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Ningbo Hua Gao Mdt Info Tech Ltd's block covers 1,048,576 addresses.
What devices use 34E1D16?
Any network device with a MAC address starting 34:E1:D1:6 was manufactured by or for Ningbo Hua Gao Mdt Info Tech Ltd.