MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:60:E2:00:00:00 /24
Vendor address1345 EAST ROCK WREN ROAD PHOENIX AZ US 85048
RegisteredApr 22, 1998
Block range00:60:E2:00:00:00– 00:60:E2: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. Apr 22, 1998 – Jun 5, 2002 QUEST ENGINEERING & DEV. name changed
  2. Jun 5, 2002 – present QUEST ENGINEERING & DEVELOPMENT

Example addresses in this block

Where this block sits

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

QUEST ENGINEERING & DEVELOPMENT holds 1 registered blocks in the IEEE registry, ranking #23,969 of 33,427 organizations by block count.