MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix04:58:5D:D0:00:00 /28
Vendor addressMerkez Mahallesi Sadabad Cad. Kapı No:20 İstanbul Kağıthane TR 34406
Country🇹🇷 Turkey
RegisteredMay 28, 2025
Block range04:58:5D:D0:00:00– 04:58:5D:DF: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 →
Ownership timeline
- May 28, 2025 – Jul 30, 2025 HDS Otomasyon Güvenlik ve Yazılım Teknolojiler Sanayi Ticaret Limited Şirketi name changed
- Jul 30, 2025 – present HDS Otomasyon Güvenlik ve Yazılım Teknolojileri Sanayi Ticaret Limited Şirketi
Example addresses in this block
Where this block sits
Previous
04:58:5D:C0:00:00 /28
Rexon Technology
Next
04:58:5D:E0:00:00 /28
Shanghai Kanghai Information System CO.,LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HDS Otomasyon Güvenlik ve Yazılım Teknolojileri Sanayi Ticaret Limited Şirketi holds 1 registered blocks in the IEEE registry, ranking #14,644 of 33,421 organizations by block count.