MAC prefix 00:1D:DD
Dat H.K. Limited
| Vendor | Dat H.K. Limited |
|---|---|
| Short name | DatHK |
| Prefix | 00:1D:DD/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:1D:DD:00:00:00 – 00:1D:DD:FF:FF:FF |
| Notations | 00:1D:DD:00:00:0000-1D-DD-00-00-00001d.dd00.0000001DDD000000 |
Frequently asked questions
Which vendor does MAC address 00:1D:DD belong to?
MAC addresses starting with 00:1D:DD are assigned to Dat H.K. Limited according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:1D:DD contain?
The block contains 16,777,216 addresses from 00:1D:DD:00:00:00 to 00:1D:DD:FF:FF:FF.
Is 00:1D:DD 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.