MAC prefix F4:A4:54:0
| Vendor | NKT Photonics A/S |
|---|---|
| Short name | NKTPhotonics |
| Prefix | F4:A4:54:0/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F4:A4:54:00:00:00 – F4:A4:54:0F:FF:FF |
| Notations | F4:A4:54:00:00:00F4-A4-54-00-00-00f4a4.5400.0000F4A454000000 |
Frequently asked questions
Which vendor does MAC address F4:A4:54:0 belong to?
MAC addresses starting with F4:A4:54:0 are assigned to NKT Photonics A/S according to the IEEE registry (prefix length 28 bits).
How many addresses does block F4:A4:54:0 contain?
The block contains 1,048,576 addresses from F4:A4:54:00:00:00 to F4:A4:54:0F:FF:FF.
Is F4:A4:54:0 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 NKT Photonics A/S have?
NKT Photonics A/S holds 2 registered prefixes in total – the full list is on the vendor page.