MAC prefix A0:19:B2:4
Osatec
| Vendor | Osatec |
|---|---|
| Prefix | A0:19:B2:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | A0:19:B2:40:00:00 – A0:19:B2:4F:FF:FF |
| Notations | A0:19:B2:40:00:00A0-19-B2-40-00-00a019.b240.0000A019B2400000 |
Frequently asked questions
Which vendor does MAC address A0:19:B2:4 belong to?
MAC addresses starting with A0:19:B2:4 are assigned to Osatec according to the IEEE registry (prefix length 28 bits).
How many addresses does block A0:19:B2:4 contain?
The block contains 1,048,576 addresses from A0:19:B2:40:00:00 to A0:19:B2:4F:FF:FF.
Is A0:19:B2:4 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.