MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix64:55:63:00:00:00 /24
Vendor address1420 Kristina Way, Suite #102 Chesapeake VA US 23320
Country🇺🇸 United States
RegisteredOct 29, 2011
Block range64:55:63:00:00:00– 64:55:63: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
- Oct 29, 2011 – Jun 21, 2024 Intelight Inc. name changedaddress changed
- Jun 21, 2024 – present Q-Free America, Inc.
Example addresses in this block
Where this block sits
Q-Free America, Inc. holds 2 registered blocks in the IEEE registry, ranking #2,792 of 33,427 organizations by block count.
Other blocks registered to Q-Free America, Inc.