MAC prefix 00:40:FC
Ibr Computer Technik Gmbh
| Vendor | Ibr Computer Technik Gmbh |
|---|---|
| Short name | IbrComputerT |
| Prefix | 00:40:FC/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:40:FC:00:00:00 – 00:40:FC:FF:FF:FF |
| Notations | 00:40:FC:00:00:0000-40-FC-00-00-000040.fc00.00000040FC000000 |
Frequently asked questions
Which vendor does MAC address 00:40:FC belong to?
MAC addresses starting with 00:40:FC are assigned to Ibr Computer Technik Gmbh according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:40:FC contain?
The block contains 16,777,216 addresses from 00:40:FC:00:00:00 to 00:40:FC:FF:FF:FF.
Is 00:40:FC 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.