MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix6C:2A:DF:30:00:00 /28
Vendor addressChristian X's vej 201 Højbjerg DK 8270
Country🇩🇰 Denmark
RegisteredFeb 24, 2023
Block range6C:2A:DF:30:00:00– 6C:2A:DF:3F: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
- Feb 24, 2023 – Mar 9, 2023 FodicsSystem name changedaddress changedcountry changed
- Mar 9, 2023 – present Johnson Controls IR, Sabroe Controls
Example addresses in this block
Where this block sits
Previous
6C:2A:DF:20:00:00 /28
DAIKO ELECTRIC CO.,LTD
Next
6C:2A:DF:40:00:00 /28
Zhejiang Eternal Automation Sci-Tec Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Johnson Controls IR, Sabroe Controls holds 1 registered blocks in the IEEE registry, ranking #17,252 of 33,421 organizations by block count.