30:BB:28:90:00:00 to 30:BB:28:9F:FF:FF

Shenzhen Shuangyunhe Technology Co.,Ltd.

MA-MChina1,048,576 addresses
Inspect this prefix

Registered address

2-705, Building T2, Haigu Technology Building, Luozu Community
Shenzhen Guangdong 518108
China

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
30:BB:28:9 /28
Addresses in block
1,048,576
Decimal range
53,580,397,543,424 to 53,580,398,591,999
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:BB:28:90:00:00 and 30:BB:28:9F: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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