MAC prefix 80:F3:EF
| Vendor | Meta Platforms, Inc. |
|---|---|
| Short name | MetaPlatform |
| Prefix | 80:F3:EF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 80:F3:EF:00:00:00 – 80:F3:EF:FF:FF:FF |
| Notations | 80:F3:EF:00:00:0080-F3-EF-00-00-0080f3.ef00.000080F3EF000000 |
Frequently asked questions
Which vendor does MAC address 80:F3:EF belong to?
MAC addresses starting with 80:F3:EF are assigned to Meta Platforms, Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 80:F3:EF contain?
The block contains 16,777,216 addresses from 80:F3:EF:00:00:00 to 80:F3:EF:FF:FF:FF.
Is 80:F3:EF 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 Meta Platforms, Inc. have?
Meta Platforms, Inc. holds 13 registered prefixes in total – the full list is on the vendor page.