MAC prefix 40:D8:55:03:2
| Vendor | Bettini Srl |
|---|---|
| Short name | Bettini |
| Prefix | 40:D8:55:03:2/36 |
| Block type | MA-S (/36, 4,096 addresses) |
| Address range | 40:D8:55:03:20:00 – 40:D8:55:03:2F:FF |
| Notations | 40:D8:55:03:20:0040-D8-55-03-20-0040d8.5503.200040D855032000 |
Frequently asked questions
Which vendor does MAC address 40:D8:55:03:2 belong to?
MAC addresses starting with 40:D8:55:03:2 are assigned to Bettini Srl according to the IEEE registry (prefix length 36 bits).
How many addresses does block 40:D8:55:03:2 contain?
The block contains 4,096 addresses from 40:D8:55:03:20:00 to 40:D8:55:03:2F:FF.
Is 40:D8:55:03:2 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 Bettini Srl have?
Bettini Srl holds 9 registered prefixes in total – the full list is on the vendor page.
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