MAC prefix 58:CF:4B
Lufkin Industries
| Vendor | Lufkin Industries |
|---|---|
| Short name | LufkinIndust |
| Prefix | 58:CF:4B/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 58:CF:4B:00:00:00 – 58:CF:4B:FF:FF:FF |
| Notations | 58:CF:4B:00:00:0058-CF-4B-00-00-0058cf.4b00.000058CF4B000000 |
Frequently asked questions
Which vendor does MAC address 58:CF:4B belong to?
MAC addresses starting with 58:CF:4B are assigned to Lufkin Industries according to the IEEE registry (prefix length 24 bits).
How many addresses does block 58:CF:4B contain?
The block contains 16,777,216 addresses from 58:CF:4B:00:00:00 to 58:CF:4B:FF:FF:FF.
Is 58:CF:4B 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.