Siemens AG

MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix70:B3:D5:C8:70:00 /36

Vendor addressMO TPE RE PI Erlangen Bavaria DE 91052

RegisteredDec 28, 2014

Block range70:B3:D5:C8:70:00– 70:B3:D5:C8:7F:FF

Address capacity4,096

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

70:B3:D5:C8:70:00 70:B3:D5:C8:77:FF 70:B3:D5:C8:7F:FF

Where this block sits

Previous 70:B3:D5:C8:60:00 /36 Woodam Co., Ltd. Next 70:B3:D5:C8:80:00 /36 SINED srl

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

Siemens AG holds 23 registered blocks in the IEEE registry, ranking #153 of 33,421 organizations by block count.

Other blocks registered to Siemens AG

00:01:E3:00:00:00 /24 MA-L 00:0B:A3:00:00:00 /24 MA-L 00:0E:8C:00:00:00 /24 MA-L 10:DF:FC:00:00:00 /24 MA-L 28:63:36:00:00:00 /24 MA-L 30:B8:51:00:00:00 /24 MA-L 3C:FF:E4:00:00:00 /24 MA-L 40:EC:F8:00:00:00 /24 MA-L 88:3F:99:00:00:00 /24 MA-L A8:6D:04:00:00:00 /24 MA-L AC:64:17:00:00:00 /24 MA-L D0:EB:1A:00:00:00 /24 MA-L