Sealed Unit Parts Co., Inc.

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.

Prefix04:C3:E6:A0:00:00 /28

Vendor address2230 Landmark Place ALLENWOOD NJ US 08720

RegisteredApr 22, 2018

Block range04:C3:E6:A0:00:00– 04:C3:E6: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

04:C3:E6:A0:00:00 04:C3:E6:A7:FF:FF 04:C3:E6:AF:FF:FF

Where this block sits

Previous 04:C3:E6:90:00:00 /28 Ekin Teknoloji San ve Tic A.S. Next 04:C3:E6:B0:00:00 /28 Flintec UK Ltd.

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

Sealed Unit Parts Co., Inc. holds 1 registered blocks in the IEEE registry, ranking #25,454 of 33,421 organizations by block count.