Facebook Inc
2 registered MAC prefixes
Frequently asked questions
Which MAC addresses belong to Facebook Inc?
Facebook Inc has registered 2 address blocks with the IEEE, including 48:57:DD. Its devices use MAC addresses starting with one of these prefixes.
| Prefix | Length | Block type |
|---|---|---|
| 48:57:DD | /24 | MA-L (/24, 16,777,216 addresses) |
| A4:0E:2B | /24 | MA-L (/24, 16,777,216 addresses) |