MAC prefix 38:B1:4E:7
Nace
| Vendor | Nace |
|---|---|
| Prefix | 38:B1:4E:7/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 38:B1:4E:70:00:00 – 38:B1:4E:7F:FF:FF |
| Notations | 38:B1:4E:70:00:0038-B1-4E-70-00-0038b1.4e70.000038B14E700000 |
Frequently asked questions
Which vendor does MAC address 38:B1:4E:7 belong to?
MAC addresses starting with 38:B1:4E:7 are assigned to Nace according to the IEEE registry (prefix length 28 bits).
How many addresses does block 38:B1:4E:7 contain?
The block contains 1,048,576 addresses from 38:B1:4E:70:00:00 to 38:B1:4E:7F:FF:FF.
Is 38:B1:4E:7 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.