MAC prefix 30:D9:7F
| Vendor | Tech4home, Lda |
|---|---|
| Short name | Tech4homeLda |
| Prefix | 30:D9:7F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 30:D9:7F:00:00:00 – 30:D9:7F:FF:FF:FF |
| Notations | 30:D9:7F:00:00:0030-D9-7F-00-00-0030d9.7f00.000030D97F000000 |
Frequently asked questions
Which vendor does MAC address 30:D9:7F belong to?
MAC addresses starting with 30:D9:7F are assigned to Tech4home, Lda according to the IEEE registry (prefix length 24 bits).
How many addresses does block 30:D9:7F contain?
The block contains 16,777,216 addresses from 30:D9:7F:00:00:00 to 30:D9:7F:FF:FF:FF.
Is 30:D9:7F 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 Tech4home, Lda have?
Tech4home, Lda holds 3 registered prefixes in total – the full list is on the vendor page.