ARUNAS PTY 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.

Prefix38:F7:CD:70:00:00 /28

Vendor addressFreedom Taxation Building, 1 Ransley St PENRITH NSW AU 2750

RegisteredMar 18, 2020

Block range38:F7:CD:70:00:00– 38:F7:CD:7F: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

38:F7:CD:70:00:00 38:F7:CD:77:FF:FF 38:F7:CD:7F:FF:FF

Where this block sits

Previous 38:F7:CD:60:00:00 /28 Fast Cotton(Beijing) Limited Next 38:F7:CD:80:00:00 /28 BlastWave Inc.

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

ARUNAS PTY LTD holds 1 registered blocks in the IEEE registry, ranking #5,537 of 33,427 organizations by block count.