SAMIL CTS Co., Ltd.
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.
Prefix58:20:8A:80:00:00 /28
Vendor address8F, Woolim Lion's Valley 3cha, 24 Dunchon Daero 388beon-gil, Jungwon-gu Seongnam-si Gyeonggi-do, KOREA KR 13403
Country🇰🇷 South Korea
Block range58:20:8A:80:00:00– 58:20:8A:8F: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