macadress

Extreme Networks, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix44:E4:E6:00:00:00 /24
Vendor address2121 RDU Center Drive Morrisville NC US 27560
Country🇺🇸  United States
RegisteredOct 20, 2023
Block range44:E4:E6:00:00:00– 44:E4:E6: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. Oct 20, 2023 – Jun 26, 2026 Extreme Networks Headquarters name changed
  2. Jun 26, 2026 – present Extreme Networks, Inc.

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

Example addresses in this block

44:E4:E6:00:00:00 44:E4:E6:7F:FF:FF 44:E4:E6:FF:FF:FF

Where this block sits

Next 44:E4:EE:00:00:00 /24 WNC Corporation

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

Extreme Networks, Inc. holds 100 registered blocks in the IEEE registry, ranking #34 of 33,498 organizations by block count.

Other blocks registered to Extreme Networks, Inc.

00:01:30:00:00:00 /24 MA-L 00:04:96:00:00:00 /24 MA-L 00:19:77:00:00:00 /24 MA-L 00:89:C9:00:00:00 /24 MA-L 00:B8:1D:00:00:00 /24 MA-L 00:DC:B2:00:00:00 /24 MA-L 00:E0:2B:00:00:00 /24 MA-L 00:E6:0E:00:00:00 /24 MA-L 08:EA:44:00:00:00 /24 MA-L 0C:9B:78:00:00:00 /24 MA-L 0C:ED:71:00:00:00 /24 MA-L 14:BA:A2:00:00:00 /24 MA-L