Vicinity Technologies Limited

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.

PrefixC4:CC:37:70:00:00 /28

Vendor addressRegus Castlemead Lower Castle Street Bristol Bristol GB BS1 3AG

RegisteredMar 8, 2024

Block rangeC4:CC:37:70:00:00– C4:CC:37:7F: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

C4:CC:37:70:00:00 C4:CC:37:77:FF:FF C4:CC:37:7F:FF:FF

Where this block sits

Previous C4:CC:37:60:00:00 /28 Safety System Product GmbH & Co. KG Next C4:CC:37:80:00:00 /28 SmartLicht systems co., ltd

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

Vicinity Technologies Limited holds 1 registered blocks in the IEEE registry, ranking #31,428 of 33,427 organizations by block count.