MAC prefix 90:B4:DD
Zpt R&D
| Vendor | Zpt R&D |
|---|---|
| Short name | ZptR&D |
| Prefix | 90:B4:DD/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 90:B4:DD:00:00:00 – 90:B4:DD:FF:FF:FF |
| Notations | 90:B4:DD:00:00:0090-B4-DD-00-00-0090b4.dd00.000090B4DD000000 |
Frequently asked questions
Which vendor does MAC address 90:B4:DD belong to?
MAC addresses starting with 90:B4:DD are assigned to Zpt R&D according to the IEEE registry (prefix length 24 bits).
How many addresses does block 90:B4:DD contain?
The block contains 16,777,216 addresses from 90:B4:DD:00:00:00 to 90:B4:DD:FF:FF:FF.
Is 90:B4: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.