macadress

Nortel Networks

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:20:D8:00:00:00 /24
Vendor address4401 Great America Pkwy. Santa Clara CA US 94588
Country🇺🇸  United States
RegisteredSep 8, 2000
Block range00:20:D8:00:00:00– 00:20:D8: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. Sep 8, 2000 – Oct 24, 2001 NETWAVE TECHNOLOGIES, INC. name changedaddress changed
  2. Oct 24, 2001 – present Nortel Networks

Example addresses in this block

00:20:D8:00:00:00 00:20:D8:7F:FF:FF 00:20:D8:FF:FF:FF

Where this block sits

Previous 00:20:D7:00:00:00 /24 JAPAN MINICOMPUTER SYSTEMS CO., Ltd. Next 00:20:D9:00:00:00 /24 PANASONIC TECHNOLOGIES, INC./MIECO-US

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

Nortel Networks holds 68 registered blocks in the IEEE registry, ranking #54 of 33,427 organizations by block count.

Other blocks registered to Nortel Networks

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