MAC prefix EC:21:9F
VidaBox LLC
| Vendor | VidaBox LLC |
|---|---|
| Short name | VidaBox |
| Prefix | EC:21:9F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | EC:21:9F:00:00:00 – EC:21:9F:FF:FF:FF |
| Notations | EC:21:9F:00:00:00EC-21-9F-00-00-00ec21.9f00.0000EC219F000000 |
Frequently asked questions
Which vendor does MAC address EC:21:9F belong to?
MAC addresses starting with EC:21:9F are assigned to VidaBox LLC according to the IEEE registry (prefix length 24 bits).
How many addresses does block EC:21:9F contain?
The block contains 16,777,216 addresses from EC:21:9F:00:00:00 to EC:21:9F:FF:FF:FF.
Is EC:21:9F 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.