Spedos ADS a.s.

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.

PrefixFC:CD:2F:C0:00:00 /28

Vendor addressHranická771 Valašské Mezi?í?í CZ 75701

RegisteredAug 19, 2020

Block rangeFC:CD:2F:C0:00:00– FC:CD:2F: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

FC:CD:2F:C0:00:00 FC:CD:2F:C7:FF:FF FC:CD:2F:CF:FF:FF

Where this block sits

Previous FC:CD:2F:B0:00:00 /28 HEAD-DIRECT (KUNSHAN) Co. Ltd Next FC:CD:2F:D0:00:00 /28 Shenzhen Smartbyte Technology Co., Ltd.

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

Spedos ADS a.s. holds 1 registered blocks in the IEEE registry, ranking #28,186 of 33,427 organizations by block count.