MAC prefix B4:37:D1:E
Union Tecnologica Noxium S.L.
| Vendor | Union Tecnologica Noxium S.L. |
|---|---|
| Short name | UnionTecnolo |
| Prefix | B4:37:D1:E/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | B4:37:D1:E0:00:00 – B4:37:D1:EF:FF:FF |
| Notations | B4:37:D1:E0:00:00B4-37-D1-E0-00-00b437.d1e0.0000B437D1E00000 |
Frequently asked questions
Which vendor does MAC address B4:37:D1:E belong to?
MAC addresses starting with B4:37:D1:E are assigned to Union Tecnologica Noxium S.L. according to the IEEE registry (prefix length 28 bits).
How many addresses does block B4:37:D1:E contain?
The block contains 1,048,576 addresses from B4:37:D1:E0:00:00 to B4:37:D1:EF:FF:FF.
Is B4:37:D1:E 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.