48:0B:B2:C0:00:00 to 48:0B:B2:CF:FF:FF

SHENZHEN TOPWELL TECHNOLOGY CO..LTD

MA-MChina1,048,576 addresses
Inspect this prefix

Registered address

5th Floor, Building 10 Changyuan New Material
Port,No.2,Middle Road 1, High Tech Park, Nanshan District,Shenzhen 518001
China

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
48:0B:B2:C /28
Addresses in block
1,048,576
Decimal range
79,215,080,767,488 to 79,215,081,816,063
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 48:0B:B2:C0:00:00 and 48:0B:B2:CF: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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