MAC prefix 8A:CB:A4
| Vendor | Resideo |
|---|---|
| Prefix | 8A:CB:A4/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 8A:CB:A4:00:00:00 – 8A:CB:A4:FF:FF:FF |
| Notations | 8A:CB:A4:00:00:008A-CB-A4-00-00-008acb.a400.00008ACBA4000000 |
Frequently asked questions
Which vendor does MAC address 8A:CB:A4 belong to?
MAC addresses starting with 8A:CB:A4 are assigned to Resideo according to the IEEE registry (prefix length 24 bits).
How many addresses does block 8A:CB:A4 contain?
The block contains 16,777,216 addresses from 8A:CB:A4:00:00:00 to 8A:CB:A4:FF:FF:FF.
Is 8A:CB:A4 a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The second least significant bit is set, so the address is locally 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.
Which other MAC prefixes does Resideo have?
Resideo holds 6 registered prefixes in total – the full list is on the vendor page.