MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixD4:A0:FB:B0:00:00 /28
Vendor address10415 A Westpark Dr. Houston TX US 77042
Country🇺🇸 United States
RegisteredJun 6, 2025
Block rangeD4:A0:FB:B0:00:00– D4:A0:FB:BF: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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D4:A0:FB:A0:00:00 /28
IMPULSE CCTV NETWORKS INDIA PVT. LTD.
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D4:A0:FB:C0:00:00 /28
Snap-on Tools
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Spatial Hover Inc holds 1 registered blocks in the IEEE registry, ranking #28,120 of 33,421 organizations by block count.