Xperio Labs 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.

PrefixD0:22:12:C0:00:00 /28

Vendor addressUnit 3709, 37th Floor, Tower II, Hong Kong Hong Kong HK HONG KONG

RegisteredOct 16, 2015

Block rangeD0:22:12:C0:00:00– D0:22:12:CF: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

D0:22:12:C0:00:00 D0:22:12:C7:FF:FF D0:22:12:CF:FF:FF

Where this block sits

Previous D0:22:12:B0:00:00 /28 Schleifenbauer Holding BV Next D0:22:12:D0:00:00 /28 SHENZHEN ZHONGXI SECURITY CO.,LTD

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Xperio Labs Ltd. holds 1 registered blocks in the IEEE registry, ranking #32,788 of 33,427 organizations by block count.