Honeywell

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.

Prefix30:09:F9:C0:00:00 /28

Vendor address13350 US Hwy 19 N Clearwater null US 33764

RegisteredMay 13, 2018

Block range30:09:F9:C0:00:00– 30:09:F9:CF: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

30:09:F9:C0:00:00 30:09:F9:C7:FF:FF 30:09:F9:CF:FF:FF

Where this block sits

Previous 30:09:F9:B0:00:00 /28 Sichuan Nebula Networks Co.,LTD. Next 30:09:F9:D0:00:00 /28 Technology for Humankind

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Honeywell holds 16 registered blocks in the IEEE registry, ranking #202 of 33,421 organizations by block count.

Other blocks registered to Honeywell

00:22:6A:00:00:00 /24 MA-L 00:40:84:00:00:00 /24 MA-L 58:FC:C8:00:00:00 /24 MA-L C4:EF:DA:00:00:00 /24 MA-L 00:50:C2:53:E0:00 /36 IAB 00:50:C2:61:60:00 /36 IAB 00:50:C2:8F:90:00 /36 IAB 00:50:C2:B0:B0:00 /36 IAB 00:50:C2:C7:B0:00 /36 IAB 00:50:C2:D9:50:00 /36 IAB 00:50:C2:F5:50:00 /36 IAB 40:D8:55:08:00:00 /36 IAB