MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix48:57:DD:00:00:00 /24
Vendor address1 Hacker Way Menlo Park US 94025
Country🇺🇸 United States
RegisteredJun 14, 2014
Block range48:57:DD:00:00:00– 48:57:DD:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Jun 14, 2014 – Feb 16, 2017 Facebook name changedaddress changed
- Feb 16, 2017 – present Facebook Inc
Example addresses in this block
Where this block sits
Facebook Inc holds 2 registered blocks in the IEEE registry, ranking #2,022 of 33,430 organizations by block count.
Other blocks registered to Facebook Inc