GN Netcom A/S

MA-L

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

Prefix50:C9:71:00:00:00 /24

Vendor addressLautrupbjerg 7 Ballerup DK DK - 2750

RegisteredMar 8, 2011

Block range50:C9:71:00:00:00– 50:C9:71: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 →

Example addresses in this block

50:C9:71:00:00:00 50:C9:71:7F:FF:FF 50:C9:71:FF:FF:FF

Where this block sits

GN Netcom A/S holds 8 registered blocks in the IEEE registry, ranking #375 of 33,421 organizations by block count.

Other blocks registered to GN Netcom A/S

00:13:17:00:00:00 /24 MA-L 00:16:8F:00:00:00 /24 MA-L 00:1A:45:00:00:00 /24 MA-L 00:1D:82:00:00:00 /24 MA-L 00:23:78:00:00:00 /24 MA-L 1C:48:F9:00:00:00 /24 MA-L 50:1A:A5:00:00:00 /24 MA-L