Avaya Inc

52 blocks

Every MAC/OUI block IEEE has registered to this exact organization name, combined.

Registered nameAvaya Inc

Total assignments52

Total address capacity872,415,232

First tracked hereAug 22, 2026

Last changed hereAug 22, 2026

SourceIEEE Registration Authority

Vendor registration identifies the organization holding a block, not a specific device model, product line, or manufacturing date. This page combines every block IEEE has registered under this exact organization name; it doesn't mean every address in every listed block is currently shipping in a real device.

About Avaya Inc

Avaya sells business telephony and communications systems.

Devices that use these prefixes

IP desk phones
Conferencing and communications servers

Related companies

Nortel Networks: Avaya bought Nortel's enterprise business

Assignments by type

Type	Count
MA-L	52

Countries in IEEE's registration records

Country	Blocks
🇺🇸 United States	52

Download this organization's blocks

Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.

52 registered prefixes

Prefix Type

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 38:BB:3C:00:00:00 /24 MA-L 3C:3A:73:00:00:00 /24 MA-L 3C:B1:5B:00:00:00 /24 MA-L 44:32:2A:00:00:00 /24 MA-L 50:61:84:00:00:00 /24 MA-L 50:CD:22:00:00:00 /24 MA-L 58:16:26:00:00:00 /24 MA-L 60:49:C1:00:00:00 /24 MA-L 64:6A:52:00:00:00 /24 MA-L 64:A7:DD:00:00:00 /24 MA-L 64:C3:54:00:00:00 /24 MA-L 6C:A8:49:00:00:00 /24 MA-L 6C:FA:58:00:00:00 /24 MA-L 70:30:18:00:00:00 /24 MA-L 70:38:EE:00:00:00 /24 MA-L 70:52:C5:00:00:00 /24 MA-L 70:7C:69:00:00:00 /24 MA-L 80:1D:AA:00:00:00 /24 MA-L 84:83:71:00:00:00 /24 MA-L 90:FB:5B:00:00:00 /24 MA-L A0:09:ED:00:00:00 /24 MA-L A0:12:90:00:00:00 /24 MA-L A0:51:C6:00:00:00 /24 MA-L A4:25:1B:00:00:00 /24 MA-L A4:78:86:00:00:00 /24 MA-L B0:AD:AA:00:00:00 /24 MA-L B4:47:5E:00:00:00 /24 MA-L B4:A9:5A:00:00:00 /24 MA-L B4:B0:17:00:00:00 /24 MA-L BC:AD:AB:00:00:00 /24 MA-L C0:57:BC:00:00:00 /24 MA-L C4:BE:D4:00:00:00 /24 MA-L C8:1F:EA:00:00:00 /24 MA-L C8:F4:06:00:00:00 /24 MA-L CC:F9:54:00:00:00 /24 MA-L D4:78:56:00:00:00 /24 MA-L D4:EA:0E:00:00:00 /24 MA-L E4:5D:52:00:00:00 /24 MA-L F8:15:47:00:00:00 /24 MA-L F8:73:A2:00:00:00 /24 MA-L FC:83:99:00:00:00 /24 MA-L FC:A8:41:00:00:00 /24 MA-L