Tokoz 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.

PrefixC0:EA:C3:40:00:00 /28

Vendor addressSantiniho 20/26 Ž?ár nad Sázavou CZ 591 02

RegisteredNov 24, 2022

Block rangeC0:EA:C3:40:00:00– C0:EA:C3:4F: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

C0:EA:C3:40:00:00 C0:EA:C3:47:FF:FF C0:EA:C3:4F:FF:FF

Where this block sits

Previous C0:EA:C3:30:00:00 /28 Hangzhou Qixun Technology Co., Ltd Next C0:EA:C3:50:00:00 /28 Techem Energy Services GmbH

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

Tokoz a.s. holds 1 registered blocks in the IEEE registry, ranking #30,203 of 33,421 organizations by block count.