MAC prefix 54:D7:51
| Vendor | Proximus |
|---|---|
| Prefix | 54:D7:51/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 54:D7:51:00:00:00 – 54:D7:51:FF:FF:FF |
| Notations | 54:D7:51:00:00:0054-D7-51-00-00-0054d7.5100.000054D751000000 |
Frequently asked questions
Which vendor does MAC address 54:D7:51 belong to?
MAC addresses starting with 54:D7:51 are assigned to Proximus according to the IEEE registry (prefix length 24 bits).
How many addresses does block 54:D7:51 contain?
The block contains 16,777,216 addresses from 54:D7:51:00:00:00 to 54:D7:51:FF:FF:FF.
Is 54:D7:51 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 Proximus have?
Proximus holds 2 registered prefixes in total – the full list is on the vendor page.