Integrated Design Ltd

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.

Prefix40:ED:98:A0:00:00 /28

Vendor addressFeltham Point, Air Park Way Feltham Middlesex GB TW137EQ

RegisteredSep 25, 2016

Block range40:ED:98:A0:00:00– 40:ED:98:AF: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

40:ED:98:A0:00:00 40:ED:98:A7:FF:FF 40:ED:98:AF:FF:FF

Where this block sits

Previous 40:ED:98:90:00:00 /28 TeraTron GmbH Next 40:ED:98:B0:00:00 /28 Siebert Industrieelektronik GmbH

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

Integrated Design Ltd holds 1 registered blocks in the IEEE registry, ranking #16,285 of 33,427 organizations by block count.