macadress

Commscope

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:21:36:00:00:00 /24
Vendor address6450 Sequence Drive San Diego CA US 92121
Country🇺🇸  United States
RegisteredApr 14, 2008
Block range00:21:36:00:00:00– 00:21:36: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 14, 2008 – Mar 18, 2011 Motorola Mobile Devices business (MDb) name changed
  2. Mar 18, 2011 – Aug 10, 2013 Motorola Mobility, Inc. name changedaddress changed
  3. Aug 10, 2013 – Oct 17, 2024 ARRIS Group, Inc. name changed
  4. Oct 17, 2024 – present Commscope

Example addresses in this block

00:21:36:00:00:00 00:21:36:7F:FF:FF 00:21:36:FF:FF:FF

Where this block sits

Previous 00:21:35:00:00:00 /24 ALCATEL-LUCENT Next 00:21:37:00:00:00 /24 Bay Controls, LLC

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

Commscope holds 345 registered blocks in the IEEE registry, ranking #11 of 33,421 organizations by block count.

Other blocks registered to Commscope

00:00:C5:00:00:00 /24 MA-L 00:00:CA:00:00:00 /24 MA-L 00:03:E0:00:00:00 /24 MA-L 00:04:BD:00:00:00 /24 MA-L 00:08:0E:00:00:00 /24 MA-L 00:0B:06:00:00:00 /24 MA-L 00:0C:E5:00:00:00 /24 MA-L 00:0E:5C:00:00:00 /24 MA-L 00:0F:9F:00:00:00 /24 MA-L 00:0F:CC:00:00:00 /24 MA-L 00:11:1A:00:00:00 /24 MA-L 00:11:80:00:00:00 /24 MA-L