Zerospace ICT Services B.V.

MA-S

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

Prefix70:B3:D5:9E:80:00 /36

Vendor addressJohan Huizingalaan 400 Amsterdam Noord-Holland NL 1066 JS

RegisteredAug 25, 2019

Block range70:B3:D5:9E:80:00– 70:B3:D5:9E:8F: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:D5:9E:80:00 70:B3:D5:9E:87:FF 70:B3:D5:9E:8F:FF

Where this block sits

Previous 70:B3:D5:9E:70:00 /36 Xiamen Maxincom Technologies Co., Ltd. Next 70:B3:D5:9E:90:00 /36 LiveCopper Inc.

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

Zerospace ICT Services B.V. holds 1 registered blocks in the IEEE registry, ranking #33,163 of 33,427 organizations by block count.