What this means

The IEEE assigned the MA-M block 34E1D10 to Tianjin Sublue Ocean Science & 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 34:E1:D1:0, it is Tianjin Sublue Ocean Science & Technology Co., Ltd hardware.

Frequently Asked Questions

Who owns MAC prefix 34E1D10?

34E1D10 is registered to Tianjin Sublue Ocean Science & Technology Co., 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. Tianjin Sublue Ocean Science & Technology Co., Ltd's block covers 1,048,576 addresses.

What devices use 34E1D10?

Any network device with a MAC address starting 34:E1:D1:0 was manufactured by or for Tianjin Sublue Ocean Science & Technology Co., Ltd.