PCH Engineering A/S (40:D8:55:0B:A0:00 /36)

PCH Engineering A/S IAB

IAB: an Individual Address Block, a /36 covering 4,096 addresses. IEEE's predecessor to MA-S; no longer issued, but existing assignments remain valid.

Prefix40:D8:55:0B:A0:00 /36

Vendor addressVed Klaedebo 4 Horsholm DK 2970

Country🇩🇰 Denmark

Block range40:D8:55:0B:A0:00– 40:D8:55:0B:AF:FF

Address capacity4,096

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

40:D8:55:0B:A0:00 40:D8:55:0B:A7:FF 40:D8:55:0B:AF:FF

Other blocks registered to PCH Engineering A/S

C0:83:59:30:00:00 /28 MA-M