MAC prefix 48:51:CF
| Vendor | Intelbras |
|---|---|
| Prefix | 48:51:CF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 48:51:CF:00:00:00 – 48:51:CF:FF:FF:FF |
| Notations | 48:51:CF:00:00:0048-51-CF-00-00-004851.cf00.00004851CF000000 |
Frequently asked questions
Which vendor does MAC address 48:51:CF belong to?
MAC addresses starting with 48:51:CF are assigned to Intelbras according to the IEEE registry (prefix length 24 bits).
How many addresses does block 48:51:CF contain?
The block contains 16,777,216 addresses from 48:51:CF:00:00:00 to 48:51:CF:FF:FF:FF.
Is 48:51:CF 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 Intelbras have?
Intelbras holds 18 registered prefixes in total – the full list is on the vendor page.