30:49:50:90:00:00 to 30:49:50:9F:FF:FF

Shanghai gatang technology CO.,LTD

MA-MChina1,048,576 addresses
Inspect this prefix

Registered address

Room 507, building 1, No. 2071, Hongmei Road, Xuhui District,
Shanghai 200030
China

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
30:49:50:9 /28
Addresses in block
1,048,576
Decimal range
53,091,442,360,320 to 53,091,443,408,895
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 30:49:50:90:00:00 and 30:49:50:9F: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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