MAC prefix B4:21:8A
Dog Hunter LLC
| Vendor | Dog Hunter LLC |
|---|---|
| Short name | DogHunter |
| Prefix | B4:21:8A/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B4:21:8A:00:00:00 – B4:21:8A:FF:FF:FF |
| Notations | B4:21:8A:00:00:00B4-21-8A-00-00-00b421.8a00.0000B4218A000000 |
Frequently asked questions
Which vendor does MAC address B4:21:8A belong to?
MAC addresses starting with B4:21:8A are assigned to Dog Hunter LLC according to the IEEE registry (prefix length 24 bits).
How many addresses does block B4:21:8A contain?
The block contains 16,777,216 addresses from B4:21:8A:00:00:00 to B4:21:8A:FF:FF:FF.
Is B4:21:8A 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.