MAC prefix 28:87:5F
| Vendor | Annapurna labs |
|---|---|
| Short name | Annapurnalab |
| Prefix | 28:87:5F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 28:87:5F:00:00:00 – 28:87:5F:FF:FF:FF |
| Notations | 28:87:5F:00:00:0028-87-5F-00-00-002887.5f00.000028875F000000 |
Frequently asked questions
Which vendor does MAC address 28:87:5F belong to?
MAC addresses starting with 28:87:5F are assigned to Annapurna labs according to the IEEE registry (prefix length 24 bits).
How many addresses does block 28:87:5F contain?
The block contains 16,777,216 addresses from 28:87:5F:00:00:00 to 28:87:5F:FF:FF:FF.
Is 28:87:5F 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.