MAC prefix 88:F1:55
| Vendor | Espressif Inc. |
|---|---|
| Short name | Espressif |
| Prefix | 88:F1:55/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 88:F1:55:00:00:00 – 88:F1:55:FF:FF:FF |
| Notations | 88:F1:55:00:00:0088-F1-55-00-00-0088f1.5500.000088F155000000 |
Frequently asked questions
Which vendor does MAC address 88:F1:55 belong to?
MAC addresses starting with 88:F1:55 are assigned to Espressif Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 88:F1:55 contain?
The block contains 16,777,216 addresses from 88:F1:55:00:00:00 to 88:F1:55:FF:FF:FF.
Is 88:F1:55 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.