MAC prefix F4:20:55:3
| Vendor | Annapurna labs |
|---|---|
| Short name | Annapurnalab |
| Prefix | F4:20:55:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | F4:20:55:30:00:00 – F4:20:55:3F:FF:FF |
| Notations | F4:20:55:30:00:00F4-20-55-30-00-00f420.5530.0000F42055300000 |
Frequently asked questions
Which vendor does MAC address F4:20:55:3 belong to?
MAC addresses starting with F4:20:55:3 are assigned to Annapurna labs according to the IEEE registry (prefix length 28 bits).
How many addresses does block F4:20:55:3 contain?
The block contains 1,048,576 addresses from F4:20:55:30:00:00 to F4:20:55:3F:FF:FF.
Is F4:20:55:3 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 Annapurna labs have?
Annapurna labs holds 158 registered prefixes in total – the full list is on the vendor page.