Avaya Inc

MA-L

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

Prefix38:BB:3C:00:00:00 /24

Vendor address360 Mt Kemble Ave Morristown NJ US 07960

RegisteredFeb 26, 2014

Block range38:BB:3C:00:00:00– 38:BB:3C: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

Feb 26, 2014 – Sep 1, 2015 Avaya, Inc name changed
Sep 1, 2015 – present Avaya Inc

Example addresses in this block

38:BB:3C:00:00:00 38:BB:3C:7F:FF:FF 38:BB:3C:FF:FF:FF

Where this block sits

Avaya Inc holds 52 registered blocks in the IEEE registry, ranking #68 of 33,427 organizations by block count.

Other blocks registered to Avaya Inc

00:04:0D:00:00:00 /24 MA-L 00:1B:4F:00:00:00 /24 MA-L 00:54:9F:00:00:00 /24 MA-L 04:8A:15:00:00:00 /24 MA-L 10:CD:AE:00:00:00 /24 MA-L 14:61:2F:00:00:00 /24 MA-L 24:B2:09:00:00:00 /24 MA-L 24:D9:21:00:00:00 /24 MA-L 2C:F4:C5:00:00:00 /24 MA-L 34:75:C7:00:00:00 /24 MA-L 3C:3A:73:00:00:00 /24 MA-L 3C:B1:5B:00:00:00 /24 MA-L