MAC prefix 38:91:FB
Xenox Holding BV
| Vendor | Xenox Holding BV |
|---|---|
| Short name | Xenox |
| Prefix | 38:91:FB/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 38:91:FB:00:00:00 – 38:91:FB:FF:FF:FF |
| Notations | 38:91:FB:00:00:0038-91-FB-00-00-003891.fb00.00003891FB000000 |
Frequently asked questions
Which vendor does MAC address 38:91:FB belong to?
MAC addresses starting with 38:91:FB are assigned to Xenox Holding BV according to the IEEE registry (prefix length 24 bits).
How many addresses does block 38:91:FB contain?
The block contains 16,777,216 addresses from 38:91:FB:00:00:00 to 38:91:FB:FF:FF:FF.
Is 38:91:FB 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.