MAC prefix 28:A3:31
| Vendor | Sierra Wireless, ULC |
|---|---|
| Short name | SierraWirele |
| Prefix | 28:A3:31/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 28:A3:31:00:00:00 – 28:A3:31:FF:FF:FF |
| Notations | 28:A3:31:00:00:0028-A3-31-00-00-0028a3.3100.000028A331000000 |
Frequently asked questions
Which vendor does MAC address 28:A3:31 belong to?
MAC addresses starting with 28:A3:31 are assigned to Sierra Wireless, ULC according to the IEEE registry (prefix length 24 bits).
How many addresses does block 28:A3:31 contain?
The block contains 16,777,216 addresses from 28:A3:31:00:00:00 to 28:A3:31:FF:FF:FF.
Is 28:A3:31 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.
Which other MAC prefixes does Sierra Wireless, ULC have?
Sierra Wireless, ULC holds 6 registered prefixes in total – the full list is on the vendor page.