macadress

Rosenberger Technologies Co.,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.
Prefix94:FB:A7:D0:00:00 /28
Vendor addressNO.6, ShenAn Rd, Dianshanhu Town Kunshan City Jiangsu Province CN 215345
Country🇨🇳  China
RegisteredMar 5, 2020
Block range94:FB:A7:D0:00:00– 94:FB:A7:DF: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. Mar 5, 2020 – Apr 22, 2020 Creotech Instruments S.A. name changedaddress changedcountry changed
  2. Apr 22, 2020 – present Rosenberger Technologies Co.,Ltd.

Example addresses in this block

94:FB:A7:D0:00:00 94:FB:A7:D7:FF:FF 94:FB:A7:DF:FF:FF

Where this block sits

Previous 94:FB:A7:C0:00:00 /28 Solaborate Inc. Next 94:FB:A7:E0:00:00 /28 Skyring Smart Technologies(Shenzhen) Co., Ltd.

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

Rosenberger Technologies Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #24,791 of 33,427 organizations by block count.