MAC prefix 1C:A0:EF:1
| Vendor | Wisnu and Supak Co.,Ltd. |
|---|---|
| Short name | WisnuandSupa |
| Prefix | 1C:A0:EF:1/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 1C:A0:EF:10:00:00 – 1C:A0:EF:1F:FF:FF |
| Notations | 1C:A0:EF:10:00:001C-A0-EF-10-00-001ca0.ef10.00001CA0EF100000 |
Frequently asked questions
Which vendor does MAC address 1C:A0:EF:1 belong to?
MAC addresses starting with 1C:A0:EF:1 are assigned to Wisnu and Supak Co.,Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 1C:A0:EF:1 contain?
The block contains 1,048,576 addresses from 1C:A0:EF:10:00:00 to 1C:A0:EF:1F:FF:FF.
Is 1C:A0:EF:1 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 Wisnu and Supak Co.,Ltd. have?
Wisnu and Supak Co.,Ltd. holds 2 registered prefixes in total – the full list is on the vendor page.