TM-Research Inc. (A8:C2:22:00:00:00 /24)

TM-Research Inc. MA-L

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

PrefixA8:C2:22:00:00:00 /24

Vendor addressHiyoshi Honcho 1-15-4 Yokohama Kanagawa JP 223-0062

Block rangeA8:C2:22:00:00:00– A8:C2:22: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

A8:C2:22:00:00:00 A8:C2:22:7F:FF:FF A8:C2:22:FF:FF:FF