MAC prefix 04:3A:0D
SM Optics S.r.l.
| Vendor | SM Optics S.r.l. |
|---|---|
| Short name | SMOptics |
| Prefix | 04:3A:0D/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 04:3A:0D:00:00:00 – 04:3A:0D:FF:FF:FF |
| Notations | 04:3A:0D:00:00:0004-3A-0D-00-00-00043a.0d00.0000043A0D000000 |
Frequently asked questions
Which vendor does MAC address 04:3A:0D belong to?
MAC addresses starting with 04:3A:0D are assigned to SM Optics S.r.l. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 04:3A:0D contain?
The block contains 16,777,216 addresses from 04:3A:0D:00:00:00 to 04:3A:0D:FF:FF:FF.
Is 04:3A:0D 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.