MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:0A:60:50:00:00 /28
Vendor address27,BUCHEON-RO 198BEON-GIL BUCHEON-SI GYEONGGI-DO KR 14555
Country🇰🇷 South Korea
RegisteredJun 24, 2018
Block range30:0A:60:50:00:00– 30:0A:60:5F: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
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30:0A:60:40:00:00 /28
AVIC JONHON OPTRONIC TECHNOLOGY CO., LTD.
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30:0A:60:60:00:00 /28
Realtime biometrics India pvt ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
A9 holds 1 registered blocks in the IEEE registry, ranking #3,693 of 33,421 organizations by block count.