macadress

Mavenir Systems, Inc.

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.
PrefixD4:61:37:90:00:00 /28
Vendor address–
Country–
RegisteredAug 27, 2022
Block rangeD4:61:37:90:00:00– D4:61:37:9F: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

  1. Aug 27, 2022 – Nov 4, 2023 Private name changed
  2. Nov 4, 2023 – present Mavenir Systems, Inc.

Example addresses in this block

D4:61:37:90:00:00 D4:61:37:97:FF:FF D4:61:37:9F:FF:FF

Where this block sits

Previous D4:61:37:80:00:00 /28 Beijing Digital China Yunke Technology Limited Next D4:61:37:A0:00:00 /28 Shenzhen Xunjie International Trade Co., LTD

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

Mavenir Systems, Inc. holds 1 registered blocks in the IEEE registry, ranking #19,318 of 33,427 organizations by block count.