MAC prefix E4:2F:56
OptoMET GmbH
| Vendor | OptoMET GmbH |
|---|---|
| Short name | OptoMET |
| Prefix | E4:2F:56/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | E4:2F:56:00:00:00 – E4:2F:56:FF:FF:FF |
| Notations | E4:2F:56:00:00:00E4-2F-56-00-00-00e42f.5600.0000E42F56000000 |
Frequently asked questions
Which vendor does MAC address E4:2F:56 belong to?
MAC addresses starting with E4:2F:56 are assigned to OptoMET GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block E4:2F:56 contain?
The block contains 16,777,216 addresses from E4:2F:56:00:00:00 to E4:2F:56:FF:FF:FF.
Is E4:2F:56 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.