MAC prefix 54:2B:57
Night Owl SP
| Vendor | Night Owl SP |
|---|---|
| Short name | NightOwlSP |
| Prefix | 54:2B:57/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 54:2B:57:00:00:00 – 54:2B:57:FF:FF:FF |
| Notations | 54:2B:57:00:00:0054-2B-57-00-00-00542b.5700.0000542B57000000 |
Frequently asked questions
Which vendor does MAC address 54:2B:57 belong to?
MAC addresses starting with 54:2B:57 are assigned to Night Owl SP according to the IEEE registry (prefix length 24 bits).
How many addresses does block 54:2B:57 contain?
The block contains 16,777,216 addresses from 54:2B:57:00:00:00 to 54:2B:57:FF:FF:FF.
Is 54:2B:57 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.