MAC prefix EC:C9:FF
| Vendor | Espressif Inc. |
|---|---|
| Short name | Espressif |
| Prefix | EC:C9:FF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | EC:C9:FF:00:00:00 – EC:C9:FF:FF:FF:FF |
| Notations | EC:C9:FF:00:00:00EC-C9-FF-00-00-00ecc9.ff00.0000ECC9FF000000 |
Frequently asked questions
Which vendor does MAC address EC:C9:FF belong to?
MAC addresses starting with EC:C9:FF are assigned to Espressif Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block EC:C9:FF contain?
The block contains 16,777,216 addresses from EC:C9:FF:00:00:00 to EC:C9:FF:FF:FF:FF.
Is EC:C9:FF 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 Espressif Inc. have?
Espressif Inc. holds 355 registered prefixes in total – the full list is on the vendor page.