MAC prefix 78:D4:F1:3
Ekoenergetyka - Polska S.A.
| Vendor | Ekoenergetyka - Polska S.A. |
|---|---|
| Short name | Ekoenergetyk |
| Prefix | 78:D4:F1:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:D4:F1:30:00:00 – 78:D4:F1:3F:FF:FF |
| Notations | 78:D4:F1:30:00:0078-D4-F1-30-00-0078d4.f130.000078D4F1300000 |
Frequently asked questions
Which vendor does MAC address 78:D4:F1:3 belong to?
MAC addresses starting with 78:D4:F1:3 are assigned to Ekoenergetyka - Polska S.A. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:D4:F1:3 contain?
The block contains 1,048,576 addresses from 78:D4:F1:30:00:00 to 78:D4:F1:3F:FF:FF.
Is 78:D4:F1:3 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.