MAC prefix B4:81:BF
Meta-Networks, LLC
| Vendor | Meta-Networks, LLC |
|---|---|
| Short name | MetaNetworks |
| Prefix | B4:81:BF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B4:81:BF:00:00:00 – B4:81:BF:FF:FF:FF |
| Notations | B4:81:BF:00:00:00B4-81-BF-00-00-00b481.bf00.0000B481BF000000 |
Frequently asked questions
Which vendor does MAC address B4:81:BF belong to?
MAC addresses starting with B4:81:BF are assigned to Meta-Networks, LLC according to the IEEE registry (prefix length 24 bits).
How many addresses does block B4:81:BF contain?
The block contains 16,777,216 addresses from B4:81:BF:00:00:00 to B4:81:BF:FF:FF:FF.
Is B4:81:BF 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.