MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:97:F0:00 /36
Vendor address7th Fl., A Bldg., Woolim Lions Valley 5-cha, 144-3, Sangdaewon-dong, Jungwon-gu Seongnam-si Gyeonggi-do KR 462-739
Country🇰🇷 South Korea
RegisteredSep 11, 2016
Block range70:B3:D5:97:F0:00– 70:B3:D5:97:FF:FF
Address capacity4,096
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
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70:B3:D5:97:E0:00 /36
Public Joint Stock Company Morion
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70:B3:D5:98:00:00 /36
Beijing Yourong Runda Rechnology Development Co.Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
BISTOS.,Co.,Ltd holds 2 registered blocks in the IEEE registry, ranking #1,633 of 33,421 organizations by block count.