What this means
The IEEE assigned the MA-S block 70B3D5B45 to Hon Hai Precision IND.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 70:B3:D5:B4:5, it is Hon Hai Precision IND.CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5B45?
70B3D5B45 is registered to Hon Hai Precision IND.CO.,LTD 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. Hon Hai Precision IND.CO.,LTD's block covers 4,096 addresses.
What devices use 70B3D5B45?
Any network device with a MAC address starting 70:B3:D5:B4:5 was manufactured by or for Hon Hai Precision IND.CO.,LTD.