MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixB4:A2:EB:20:00:00 /28
Vendor address3200 Earhart Dr Carrollton TX US 75006
Country🇺🇸 United States
RegisteredJul 1, 2019
Block rangeB4:A2:EB:20:00:00– B4:A2:EB:2F: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
- Jul 1, 2019 – May 26, 2023 Katerra Inc name changedaddress changed
- May 26, 2023 – present ONX Inc.
Example addresses in this block
Where this block sits
Previous
B4:A2:EB:10:00:00 /28
DCI International, LLC.
Next
B4:A2:EB:30:00:00 /28
Canaan Creative Co.,Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ONX Inc. holds 1 registered blocks in the IEEE registry, ranking #22,054 of 33,427 organizations by block count.