What this means
The IEEE assigned the MA-S block 70B3D5DA0 to Jiangsu Etern Compamy Limited. 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 70:B3:D5:DA:0, it is Jiangsu Etern Compamy Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5DA0?
70B3D5DA0 is registered to Jiangsu Etern Compamy Limited in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Jiangsu Etern Compamy Limited's block covers 4,096 addresses.
What devices use 70B3D5DA0?
Any network device with a MAC address starting 70:B3:D5:DA:0 was manufactured by or for Jiangsu Etern Compamy Limited.