PCH Engineering A/S (C0:83:59:30:00:00 /28)

PCH Engineering A/S 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.

PrefixC0:83:59:30:00:00 /28

Vendor addressVed Klaedebo 4 Horsholm DK 2970

Block rangeC0:83:59:30:00:00– C0:83:59:3F: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

C0:83:59:30:00:00 C0:83:59:37:FF:FF C0:83:59:3F:FF:FF

Other blocks registered to PCH Engineering A/S

40:D8:55:0B:A0:00 /36 IAB