macadress

Commscope

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:00:C5:00:00:00 /24
Vendor address6450 Sequence Drive San Diego CA US 92121
Country🇺🇸  United States
RegisteredSep 8, 2000
Block range00:00:C5:00:00:00– 00:00:C5: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. Sep 8, 2000 – Oct 15, 2014 FARALLON COMPUTING/NETOPIA name changedaddress changed
  2. Oct 15, 2014 – Oct 17, 2024 ARRIS Group, Inc. name changed
  3. Oct 17, 2024 – present Commscope

Example addresses in this block

00:00:C5:00:00:00 00:00:C5:7F:FF:FF 00:00:C5:FF:FF:FF

Where this block sits

Previous 00:00:C4:00:00:00 /24 WATERS DIV. OF MILLIPORE Next 00:00:C6:00:00:00 /24 EON SYSTEMS

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: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 00:11:AE:00:00:00 /24 MA-L