MAC prefix 14:90:90
KongTop industrial(shen zhen)CO.,LTD
| Vendor | KongTop industrial(shen zhen)CO.,LTD |
|---|---|
| Short name | KongTopindus |
| Prefix | 14:90:90/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 14:90:90:00:00:00 – 14:90:90:FF:FF:FF |
| Notations | 14:90:90:00:00:0014-90-90-00-00-001490.9000.0000149090000000 |
Frequently asked questions
Which vendor does MAC address 14:90:90 belong to?
MAC addresses starting with 14:90:90 are assigned to KongTop industrial(shen zhen)CO.,LTD according to the IEEE registry (prefix length 24 bits).
How many addresses does block 14:90:90 contain?
The block contains 16,777,216 addresses from 14:90:90:00:00:00 to 14:90:90:FF:FF:FF.
Is 14:90:90 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.