MAC prefix 1C:A2:B1
ruwido austria gmbh
| Vendor | ruwido austria gmbh |
|---|---|
| Short name | ruwidoaustri |
| Prefix | 1C:A2:B1/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 1C:A2:B1:00:00:00 – 1C:A2:B1:FF:FF:FF |
| Notations | 1C:A2:B1:00:00:001C-A2-B1-00-00-001ca2.b100.00001CA2B1000000 |
Frequently asked questions
Which vendor does MAC address 1C:A2:B1 belong to?
MAC addresses starting with 1C:A2:B1 are assigned to ruwido austria gmbh according to the IEEE registry (prefix length 24 bits).
How many addresses does block 1C:A2:B1 contain?
The block contains 16,777,216 addresses from 1C:A2:B1:00:00:00 to 1C:A2:B1:FF:FF:FF.
Is 1C:A2:B1 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.