78:13:05:70:00:00 to 78:13:05:7F:FF:FF

E-Stone Electronics Co., Ltd

MA-MChina1,048,576 addresses
Inspect this prefix

Registered address

Room 0355, Unit 109, No. 62, Chengyi North Street, Software Park Phase III, Xiamen City
Fujian Fujian 361000
China

Block details

Registry
MA-M, MAC Address Block Medium (OUI-28)
Prefix
78:13:05:7 /28
Addresses in block
1,048,576
Decimal range
132,023,090,937,856 to 132,023,091,986,431
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 78:13:05:70:00:00 and 78:13:05:7F: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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