MAC prefix 70:B3:D5:AF:B
Shanghai Tianhe Automation Instrumentation Co., Ltd.
| Vendor | Shanghai Tianhe Automation Instrumentation Co., Ltd. |
|---|---|
| Short name | TianheAutoma |
| Prefix | 70:B3:D5:AF:B/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 70:B3:D5:AF:B0:00 – 70:B3:D5:AF:BF:FF |
| Notations | 70:B3:D5:AF:B0:0070-B3-D5-AF-B0-0070b3.d5af.b00070B3D5AFB000 |
Frequently asked questions
Which vendor does MAC address 70:B3:D5:AF:B belong to?
MAC addresses starting with 70:B3:D5:AF:B are assigned to Shanghai Tianhe Automation Instrumentation Co., Ltd. according to the IEEE registry (prefix length 36 bits).
How many addresses does block 70:B3:D5:AF:B contain?
The block contains 4,096 addresses from 70:B3:D5:AF:B0:00 to 70:B3:D5:AF:BF:FF.
Is 70:B3:D5:AF:B a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).
How do I find the MAC address of my device?
On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.