macadress

Nortel Networks

68 blocks
Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameNortel Networks
Total assignments68
Total address capacity1,140,850,688
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 Nortel Networks

Nortel was a Canadian telecom equipment maker that went bankrupt in 2009. Its blocks appear on legacy switches and phones.

Devices that use these prefixes

  • Legacy enterprise switches and routers
  • Business phones

Related companies

  • Avaya Inc: bought Nortel's enterprise business

Assignments by type

TypeCount
MA-L68

Countries in IEEE's registration records

CountryBlocks
🇨🇦 Canada48
🇺🇸 United States12
🇲🇽 Mexico8

Download this organization's blocks

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

68 registered prefixes

Prefix Type
00:00:75:00:00:00 /24 MA-L 00:01:81:00:00:00 /24 MA-L 00:02:5F:00:00:00 /24 MA-L 00:03:42:00:00:00 /24 MA-L 00:03:4B:00:00:00 /24 MA-L 00:04:38:00:00:00 /24 MA-L 00:04:DC:00:00:00 /24 MA-L 00:09:97:00:00:00 /24 MA-L 00:0C:F7:00:00:00 /24 MA-L 00:0C:F8:00:00:00 /24 MA-L 00:0E:40:00:00:00 /24 MA-L 00:0E:62:00:00:00 /24 MA-L 00:0E:C0:00:00:00 /24 MA-L 00:0F:06:00:00:00 /24 MA-L 00:0F:6A:00:00:00 /24 MA-L 00:0F:CD:00:00:00 /24 MA-L 00:10:45:00:00:00 /24 MA-L 00:11:58:00:00:00 /24 MA-L 00:11:F9:00:00:00 /24 MA-L 00:12:83:00:00:00 /24 MA-L 00:13:0A:00:00:00 /24 MA-L 00:13:65:00:00:00 /24 MA-L 00:14:0D:00:00:00 /24 MA-L 00:14:0E:00:00:00 /24 MA-L 00:14:C7:00:00:00 /24 MA-L 00:15:40:00:00:00 /24 MA-L 00:15:9B:00:00:00 /24 MA-L 00:15:E8:00:00:00 /24 MA-L 00:16:60:00:00:00 /24 MA-L 00:16:CA:00:00:00 /24 MA-L 00:17:65:00:00:00 /24 MA-L 00:17:D1:00:00:00 /24 MA-L 00:18:B0:00:00:00 /24 MA-L 00:19:69:00:00:00 /24 MA-L 00:19:E1:00:00:00 /24 MA-L 00:1A:8F:00:00:00 /24 MA-L 00:1B:25:00:00:00 /24 MA-L 00:1B:BA:00:00:00 /24 MA-L 00:1C:17:00:00:00 /24 MA-L 00:1C:9C:00:00:00 /24 MA-L 00:1C:EB:00:00:00 /24 MA-L 00:1D:42:00:00:00 /24 MA-L 00:1D:AF:00:00:00 /24 MA-L 00:1E:1F:00:00:00 /24 MA-L 00:1E:7E:00:00:00 /24 MA-L 00:1E:CA:00:00:00 /24 MA-L 00:1F:0A:00:00:00 /24 MA-L 00:1F:46:00:00:00 /24 MA-L 00:1F:9A:00:00:00 /24 MA-L 00:1F:DA:00:00:00 /24 MA-L 00:20:D8:00:00:00 /24 MA-L 00:21:62:00:00:00 /24 MA-L 00:21:E1:00:00:00 /24 MA-L 00:22:67:00:00:00 /24 MA-L 00:23:0D:00:00:00 /24 MA-L 00:24:00:00:00:00 /24 MA-L 00:24:43:00:00:00 /24 MA-L 00:24:7F:00:00:00 /24 MA-L 00:24:B5:00:00:00 /24 MA-L 00:60:38:00:00:00 /24 MA-L 40:B2:C8:00:00:00 /24 MA-L 5C:E2:86:00:00:00 /24 MA-L 68:78:4C:00:00:00 /24 MA-L 80:17:7D:00:00:00 /24 MA-L 98:D8:8C:00:00:00 /24 MA-L A4:21:8A:00:00:00 /24 MA-L E0:26:36:00:00:00 /24 MA-L E8:05:6D:00:00:00 /24 MA-L
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