Commscope

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix6C:63:9C:00:00:00 /24

Vendor address6450 Sequence Drive San Diego CA US 92121

RegisteredSep 26, 2019

Block range6C:63:9C:00:00:00– 6C:63:9C: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

Sep 26, 2019 – Oct 17, 2024 ARRIS Group, Inc. name changed
Oct 17, 2024 – present Commscope

Dates show when a change became public in the IEEE registry. How we track ownership history →

Example addresses in this block

6C:63:9C:00:00:00 6C:63:9C:7F:FF:FF 6C:63:9C:FF:FF:FF

Where this block sits

Commscope holds 345 registered blocks in the IEEE registry, ranking #11 of 33,498 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