70:B3:D5:48:50:00 to 70:B3:D5:48:5F:FF

CLARESYS LIMITED

MA-SUnited Kingdom4,096 addresses
Inspect this prefix

Registered address

154E Brook Drive, Milton Park
Abingdon OX14 4SD
United Kingdom

Block details

Registry
MA-S, MAC Address Block Small (OUI-36)
Prefix
70:B3:D5:48:5 /36
Addresses in block
4,096
Decimal range
123,917,679,742,976 to 123,917,679,747,071
Address type
Unicast, universally administered

What this block covers

A 36 bit block, the smallest the IEEE sells. Suited to low volume products that will never ship 4096 units of anything.

Any MAC address between 70:B3:D5:48:50:00 and 70:B3:D5:48:5F:FF belongs to this assignment. The registrant chooses the remaining 12 bits, so the same prefix can appear on very different products from the same company.

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