Rosemount Analytical (F8:02:78:B0:00:00 /28)

Rosemount Analytical MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixF8:02:78:B0:00:00 /28

Vendor address10241 West Little York, Suite 200 Houston, TX 77040 Texas US 77040

Block rangeF8:02:78:B0:00:00– F8:02:78: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

F8:02:78:B0:00:00 F8:02:78:B7:FF:FF F8:02:78:BF:FF:FF

Other blocks registered to Rosemount Analytical

40:D8:55:02:50:00 /36 IAB