MAC prefix DA:1C:21
Sesam GmbH
| Vendor | Sesam GmbH |
|---|---|
| Short name | Sesam |
| Prefix | DA:1C:21/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | DA:1C:21:00:00:00 – DA:1C:21:FF:FF:FF |
| Notations | DA:1C:21:00:00:00DA-1C-21-00-00-00da1c.2100.0000DA1C21000000 |
Frequently asked questions
Which vendor does MAC address DA:1C:21 belong to?
MAC addresses starting with DA:1C:21 are assigned to Sesam GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block DA:1C:21 contain?
The block contains 16,777,216 addresses from DA:1C:21:00:00:00 to DA:1C:21:FF:FF:FF.
Is DA:1C:21 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.