Interplan Co., Ltd. (80:7B:85:A0:00:00 /28)

Interplan Co., Ltd. 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.

Prefix80:7B:85:A0:00:00 /28

Vendor address5F Ishihara Bld. 3-3-12 Iidabashi Chiyoda-ku Tokyo JP 102-0072

Block range80:7B:85:A0:00:00– 80:7B:85:AF: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

80:7B:85:A0:00:00 80:7B:85:A7:FF:FF 80:7B:85:AF:FF:FF