NovAtel Inc. (00:21:66:00:00:00 /24)

NovAtel Inc. MA-L

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

Prefix00:21:66:00:00:00 /24

Vendor address1120 - 68 Ave NE Calgary Alberta CA T2E 8S5

Block range00:21:66:00:00:00– 00:21:66: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

00:21:66:00:00:00 00:21:66:7F:FF:FF 00:21:66:FF:FF:FF

Other blocks registered to NovAtel Inc.

00:60:D6:00:00:00 /24 MA-L