BTL Industries JSC

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.

PrefixC4:98:94:30:00:00 /28

Vendor addressstr. Tsar Kaloyan 8 Sofia Sofia BG 1000

RegisteredJul 27, 2022

Block rangeC4:98:94:30:00:00– C4:98:94:3F: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

C4:98:94:30:00:00 C4:98:94:37:FF:FF C4:98:94:3F:FF:FF

Where this block sits

Previous C4:98:94:20:00:00 /28 Metasphere Ltd Next C4:98:94:40:00:00 /28 Alpine Electronics Marketing, Inc.

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

BTL Industries JSC holds 1 registered blocks in the IEEE registry, ranking #7,506 of 33,421 organizations by block count.