macadress

Apple, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:A0:40:00:00:00 /24
Vendor address1 Infinite Loop Cupertino CA US 95014
Country🇺🇸  United States
RegisteredApr 22, 1998
Block range00:A0:40:00:00:00– 00:A0:40: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 – Aug 24, 2013 APPLE COMPUTER name changedaddress changed
  2. Aug 24, 2013 – Sep 1, 2015 Apple name changed
  3. Sep 1, 2015 – present Apple, Inc.

Example addresses in this block

00:A0:40:00:00:00 00:A0:40:7F:FF:FF 00:A0:40:FF:FF:FF

Where this block sits

Previous 00:A0:3F:00:00:00 /24 COMPUTER SOCIETY MICROPROCESSOR & MICROPROCESSOR STANDARDS C Next 00:A0:41:00:00:00 /24 INFICON

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

Apple, Inc. holds 1,573 registered blocks in the IEEE registry, ranking #1 of 33,427 organizations by block count.

Other blocks registered to Apple, Inc.

00:03:93:00:00:00 /24 MA-L 00:05:02:00:00:00 /24 MA-L 00:0A:27:00:00:00 /24 MA-L 00:0A:95:00:00:00 /24 MA-L 00:0D:93:00:00:00 /24 MA-L 00:10:FA:00:00:00 /24 MA-L 00:11:24:00:00:00 /24 MA-L 00:14:51:00:00:00 /24 MA-L 00:16:CB:00:00:00 /24 MA-L 00:17:F2:00:00:00 /24 MA-L 00:19:E3:00:00:00 /24 MA-L 00:1B:63:00:00:00 /24 MA-L