Sidus Novum Sp. z o. o.

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.

PrefixBC:66:41:B0:00:00 /28

Vendor addressUl. Ogrodowa 3B/203 Zielona Góra Lubuskie PL 65462

RegisteredOct 16, 2015

Block rangeBC:66:41:B0:00:00– BC:66:41:BF: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

BC:66:41:B0:00:00 BC:66:41:B7:FF:FF BC:66:41:BF:FF:FF

Where this block sits

Previous BC:66:41:A0:00:00 /28 EBlink Next BC:66:41:C0:00:00 /28 Shenzhen Crave Communication Co.,ltd

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

Sidus Novum Sp. z o. o. holds 1 registered blocks in the IEEE registry, ranking #27,282 of 33,427 organizations by block count.