MAC prefix 18:C1:E2
| Vendor | Qolsys Inc. |
|---|---|
| Short name | Qolsys |
| Prefix | 18:C1:E2/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 18:C1:E2:00:00:00 – 18:C1:E2:FF:FF:FF |
| Notations | 18:C1:E2:00:00:0018-C1-E2-00-00-0018c1.e200.000018C1E2000000 |
Frequently asked questions
Which vendor does MAC address 18:C1:E2 belong to?
MAC addresses starting with 18:C1:E2 are assigned to Qolsys Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 18:C1:E2 contain?
The block contains 16,777,216 addresses from 18:C1:E2:00:00:00 to 18:C1:E2:FF:FF:FF.
Is 18:C1:E2 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.
Which other MAC prefixes does Qolsys Inc. have?
Qolsys Inc. holds 2 registered prefixes in total – the full list is on the vendor page.