30:3D:51:B0:00:00 to 30:3D:51:BF:FF:FF

Labman Automation

MA-MUnited Kingdom1,048,576 addresses
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Registered address

Labman Automation LtdSeamer Hill
Stokesley North Yorkshire TS9 5NQ
United Kingdom

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
30:3D:51:B /28
Addresses in block
1,048,576
Decimal range
53,039,921,627,136 to 53,039,922,675,711
Address type
Unicast, universally administered

What this block covers

A 28 bit block. Sixteen of these fit inside one 24 bit prefix, so the first three octets are shared with other registrants.

Any MAC address between 30:3D:51:B0:00:00 and 30:3D:51:BF:FF:FF belongs to this assignment. The registrant chooses the remaining 20 bits, so the same prefix can appear on very different products from the same company.

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