EMAC, Inc. (28:BC:56:00:00:00 /24)

EMAC, Inc. MA-L

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

Prefix28:BC:56:00:00:00 /24

Vendor address2390 EMAC Way Carbondale IL US 62902

Block range28:BC:56:00:00:00– 28:BC:56: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

28:BC:56:00:00:00 28:BC:56:7F:FF:FF 28:BC:56:FF:FF:FF

Other blocks registered to EMAC, Inc.

00:50:C2:0E:00:00 /36 IAB 00:50:C2:97:40:00 /36 IAB 00:50:C2:B8:70:00 /36 IAB 00:50:C2:C9:20:00 /36 IAB 00:50:C2:D6:20:00 /36 IAB 00:50:C2:D7:10:00 /36 IAB 00:50:C2:E6:60:00 /36 IAB 00:50:C2:F6:20:00 /36 IAB 00:50:C2:F8:A0:00 /36 IAB 40:D8:55:09:D0:00 /36 IAB 40:D8:55:13:10:00 /36 IAB 40:D8:55:18:30:00 /36 IAB