MAC prefix 28:40:1A
C8 MediSensors, Inc.
| Vendor | C8 MediSensors, Inc. |
|---|---|
| Short name | C8MediSensor |
| Prefix | 28:40:1A/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 28:40:1A:00:00:00 – 28:40:1A:FF:FF:FF |
| Notations | 28:40:1A:00:00:0028-40-1A-00-00-002840.1a00.000028401A000000 |
Frequently asked questions
Which vendor does MAC address 28:40:1A belong to?
MAC addresses starting with 28:40:1A are assigned to C8 MediSensors, Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 28:40:1A contain?
The block contains 16,777,216 addresses from 28:40:1A:00:00:00 to 28:40:1A:FF:FF:FF.
Is 28:40:1A 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.