CRDE (AC:1D:DF:30:00:00 /28)

CRDE MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixAC:1D:DF:30:00:00 /28

Vendor addressZI DES GRANDS CAMPS MERCUES LOT FR 46090

Block rangeAC:1D:DF:30:00:00– AC:1D:DF:3F:FF:FF

Address capacity1,048,576

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

AC:1D:DF:30:00:00 AC:1D:DF:37:FF:FF AC:1D:DF:3F:FF:FF

Other blocks registered to CRDE

00:50:C2:3E:60:00 /36 IAB 00:50:C2:B3:60:00 /36 IAB 70:B3:D5:14:C0:00 /36 MA-S 70:B3:D5:38:10:00 /36 MA-S 70:B3:D5:57:20:00 /36 MA-S 70:B3:D5:59:20:00 /36 MA-S 70:B3:D5:6B:20:00 /36 MA-S 70:B3:D5:6E:C0:00 /36 MA-S 70:B3:D5:7C:80:00 /36 MA-S 70:B3:D5:81:80:00 /36 MA-S 70:B3:D5:85:50:00 /36 MA-S 70:B3:D5:8A:60:00 /36 MA-S