MAC prefix 40:F3:85:5
Kato Engineering Inc.
| Vendor | Kato Engineering Inc. |
|---|---|
| Short name | KatoEngineer |
| Prefix | 40:F3:85:5/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 40:F3:85:50:00:00 – 40:F3:85:5F:FF:FF |
| Notations | 40:F3:85:50:00:0040-F3-85-50-00-0040f3.8550.000040F385500000 |
Frequently asked questions
Which vendor does MAC address 40:F3:85:5 belong to?
MAC addresses starting with 40:F3:85:5 are assigned to Kato Engineering Inc. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 40:F3:85:5 contain?
The block contains 1,048,576 addresses from 40:F3:85:50:00:00 to 40:F3:85:5F:FF:FF.
Is 40:F3:85:5 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.