MAC prefix 00:40:68
Extended Systems
| Vendor | Extended Systems |
|---|---|
| Short name | Extended |
| Prefix | 00:40:68/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:40:68:00:00:00 – 00:40:68:FF:FF:FF |
| Notations | 00:40:68:00:00:0000-40-68-00-00-000040.6800.0000004068000000 |
Frequently asked questions
Which vendor does MAC address 00:40:68 belong to?
MAC addresses starting with 00:40:68 are assigned to Extended Systems according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:40:68 contain?
The block contains 16,777,216 addresses from 00:40:68:00:00:00 to 00:40:68:FF:FF:FF.
Is 00:40:68 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.