48:57:DD Facebook Inc
Every MAC address from 48:57:DD:00:00:00 to 48:57:DD:FF:FF:FF belongs to a block the IEEE assigned to Facebook Inc. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 48:57:DD belongs to
Written 48:57:DD, 48-57-DD or 4857DD, depending on the system. Look up a full address.
Prefix
48:57:DD
Organization
Facebook Inc
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
48:57:DD:00:00:00
Last address
48:57:DD:FF:FF:FF
Address type
Globally unique, unicast
Registered address
1 Hacker Way Menlo Park US 94025
Same organization
Other blocks assigned to Facebook Inc
1 more block registered under the same name.