macadress

RF COncepts, LLC

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:19:45:00:00:00 /24
Vendor address1148 Wagner Drive Sevierville TN US 37862
Country🇺🇸  United States
RegisteredAug 14, 2006
Block range00:19:45:00:00:00– 00:19:45: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

  1. Aug 14, 2006 – Dec 17, 2014 Ten-Tec Inc. name changedaddress changed
  2. Dec 17, 2014 – present RF COncepts, LLC

Example addresses in this block

00:19:45:00:00:00 00:19:45:7F:FF:FF 00:19:45:FF:FF:FF

Where this block sits

Previous 00:19:44:00:00:00 /24 Fossil Partners, L.P. Next 00:19:46:00:00:00 /24 Cianet Industria e Comercio S/A

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

RF COncepts, LLC holds 1 registered blocks in the IEEE registry, ranking #24,528 of 33,427 organizations by block count.