What this means
The IEEE assigned the MA-S block 70B3D5A8B to Giant Power Technology Biomedical Corporation. 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:A8:B, it is Giant Power Technology Biomedical Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5A8B?
70B3D5A8B is registered to Giant Power Technology Biomedical Corporation 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. Giant Power Technology Biomedical Corporation's block covers 4,096 addresses.
What devices use 70B3D5A8B?
Any network device with a MAC address starting 70:B3:D5:A8:B was manufactured by or for Giant Power Technology Biomedical Corporation.