MAC prefix 78:39:2D:5
| Vendor | IO Master Technology |
|---|---|
| Short name | IOMasterTech |
| Prefix | 78:39:2D:5/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:39:2D:50:00:00 – 78:39:2D:5F:FF:FF |
| Notations | 78:39:2D:50:00:0078-39-2D-50-00-007839.2d50.000078392D500000 |
Frequently asked questions
Which vendor does MAC address 78:39:2D:5 belong to?
MAC addresses starting with 78:39:2D:5 are assigned to IO Master Technology according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:39:2D:5 contain?
The block contains 1,048,576 addresses from 78:39:2D:50:00:00 to 78:39:2D:5F:FF:FF.
Is 78:39:2D:5 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 IO Master Technology have?
IO Master Technology holds 2 registered prefixes in total – the full list is on the vendor page.