MAC prefix 70:71:B3
Brain Corporation
| Vendor | Brain Corporation |
|---|---|
| Short name | Brain |
| Prefix | 70:71:B3/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 70:71:B3:00:00:00 – 70:71:B3:FF:FF:FF |
| Notations | 70:71:B3:00:00:0070-71-B3-00-00-007071.b300.00007071B3000000 |
Frequently asked questions
Which vendor does MAC address 70:71:B3 belong to?
MAC addresses starting with 70:71:B3 are assigned to Brain Corporation according to the IEEE registry (prefix length 24 bits).
How many addresses does block 70:71:B3 contain?
The block contains 16,777,216 addresses from 70:71:B3:00:00:00 to 70:71:B3:FF:FF:FF.
Is 70:71:B3 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.