MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix50:FA:CB:20:00:00 /28
Vendor addressCT Parc, Unit 2 Remetea Mare Timis RO 307350
Country🇷🇴 Romania
RegisteredAug 28, 2025
Block range50:FA:CB:20:00:00– 50:FA:CB:2F: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
Where this block sits
Previous
50:FA:CB:10:00:00 /28
Shenzhen Evertones Quantum Technology Co., Ltd.
Next
50:FA:CB:30:00:00 /28
Huaihua Jiannan Electronic Technology Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Kyocera AVX Components (Timisoara) SRL holds 1 registered blocks in the IEEE registry, ranking #18,038 of 33,421 organizations by block count.